I took on the $21 Challenge, and won! However, my husband was a rather grumpy participant; he loved the savings but not the lifestyle during Challenge week. As he goes away regularly, I decided that every night he's not home for dinner would become a $21 Challenge night for the kids and I - all meals must be made from ingredients I already have at home, and I can only use ingredients that have not been allocated for other meals. This saves money and gives me a night off cooking, as my Challenge meals are usually simple affairs, sometimes as easy as pancakes or toasted sandwiches.

The true value of the $21 Challenge became apparent when a friend was recently diagnosed with a severe form of leukaemia. She is a married mother of four boys and is embarking on a long therapeutic journey that will hopefully lead to a full recovery. As a way of helping her family, the parents at our school have banded together to make all their meals for the next three to six months. As they are a large family, with an above average food requirement, I was unsure how I could afford to help feed them each week. Thankfully, my husband was away the week my friend was diagnosed, so the kids and I lived off the $21 Challenge that week and all leftover money was put into making meals to freeze for my friend's family.

We now do the same thing whenever my husband is away – it's a great gift over the Christmas break to know that I can afford to cook and freeze meals for my friend's family, and look after my family at the same time. Thank you.

This super basic mince recipe saves me up to $100 a month on takeaways, thanks to the convenience of having meals already 'half made'.

All you need are:
2kg minced beef
2 cups of red lentils
2 tbsp of vegetable stock powder, or four vegetable stock cubes
1 tsp dried garlic granules
1 dsp dried onion flakes
4 cups of water.

Place all the ingredients into a crockpot and cook on high for two hours, stirring every 30 minutes. It should be thick, aromatic and an unattractive brown colour (don't let this worry you!).

One batch costs just $13 to make and is enough to serve as a base for seven meals for our family (two children and two adults). This saves heaps of money and time too. I usually freeze the mince in margarine tubs, as that seems to be the right amount for one meal for our family.

The meals I made are:

1. Piemaker pies.
   Allow one heaped tablespoon of basic mince per pie. Pour the mince into a small saucepan and add a large spoonful of gravy powder, or a dessertspoon of cornflour and some Vegemite for colour. Heat and stir until thickened. Spoon into pastry cases and cook in the piemaker.

2. Mexican enchiladas.
   I use Mountain Bread or make my own crepes. Lay the bread or crepes in u-shapes in a large baking dish. Mix the mince with an equal amount of tinned or home-made refried beans. Spread the mixture in a sausage shape down the middle of each crepe, fold each side of the crepe over, sprinkle with grated cheese and bake at 180C until the cheese is melted and bubbly. Serve on a bed of rice, topped with natural yoghurt and some salsa.

3. Stuffed capsicums.
   Halve enough capsicums for half or one per person. Spoon the mince straight into the capsicums, top with some mashed potato, pumpkin or sweet potato. Sprinkle with cheese and bake for 40 mins at 180C. Kids love these as the capsicum sweetens when baked.

4. Baked spuds with topping.
   Allow one potato of appropriate size per person. Cook in the microwave according to manufacturer's instructions. Split a cross in the top and pile filling into the opening. Top with natural yoghurt or sour cream and chopped, sauteed bacon. Allow one large tablespoon of filling per potato. Mix the filling with one tin of baked beans and heat in a small saucepan before pouring on to the potatoes.

5. Spring rolls.
   Mix about four tablespoons of mince mixture with a packet of cooked and cooled Two Minute Noodles, some shredded carrot, and 1/2 teaspoon Chinese five spice. Using filo pastry sheets or spring roll wrappers, fold a small handful of filling into each spring roll. Spray liberally with cooking spray and bake at 180C for 20-30 mins.

6. Greek pasta bake (Pastito).
   Heat a container of mince mixture with a 400g tin of peeled tomatoes. Cook enough macaroni for your family and drain well. Mix with the meat mixture and spoon into a large baking dish and top with your favourite white sauce or cheese sauce. Sprinkle on some grated cheese and bake for 40 minutes at 200C.

7. Shepherds pie.
   Add any vegetables of your choice to the mince mixture. Place into a baking dish and top with mashed potato, pumpkin or sweet potato then bake until heated and the potato browns.

For just $10 I've finally discovered soft skin. I had always suffered from dry skin and, over the years, had spent a fortune on moisturisers in every price range. I never really found anything that I could put on at night which left my skin soft and moist in the morning. It seemed my skin was always thirsty. Then I read in Vogue magazine, about a woman who used Neutrogena Norwegian Hand Cream as a facial mask. She also suffered from dry skin and her dermatologist had advised her to do this. Having nothing to lose, I decided to give it a go myself. It costs well under $10 and is available at Priceline and in most supermarkets. I chose the fragrance-free one and can honestly say it is the best moisturiser I have ever used. I use it every day under make-up and my skin looks 'dewy' all day long. I apply more in the evening before bed and my skin feels lovely in the morning. I even apply it thickly as a mask sometimes, with great results - and it beats a facial in terms of how my skin feels the next day. So if you have dry or mature skin - give it a try. It is also amazing on dry feet - it really is a miracle! It's amazing to think of how many dollars I will save from now on on my new, simple skincare product!

As a new member, I have saved $150 in my first week, thanks to the $21 Challenge! I thought I was careful with money until I discovered this site and realised how I could further improve my spending habits. I decided to give the $21 Challenge a go and it is now Thursday and I haven't been to the shops yet!

I have become a problem solver due to the fact that I must use what is in the fridge/freezer and pantry. I nearly buckled when my four year old wanted 'pink milk' and I had run out of Nestle Quick but no problem in the end. I found some rose pink food colouring and with just one drop - presto, pink milk! It does take some preparation because you are cooking from scratch but it is all worth it when your family tells you that the dinner you made tonight was the best, and is there any more?

My other dilemma was to use the three zucchinis in the crisper, so I made them into a slice. It was so easy to make and I had every ingredient on hand without even trying!

Zucchini Slice (serves 4-6)

3 zucchini (grated)
1 onion (grated)
1 potato (grated)
4 slices of ham/bacon (chopped)
1 cup of cheese (grated)
6 tablespoons flour (plain)
3 eggs
salt/pepper

Put all ingredients into a big bowl and mix really well. Pour into a quiche dish and cook in the oven for one hour at 160C. If you are vegetarian, simply leave out the ham. Simple, delicious and super cheap!

I was renting for nearly three years on a medium salary and really just living day by day. I decided that I wanted to get out of the renting cycle, so thought I would become educated financially. I started reading the 'Rich Dad, Poor Dad' by Robert Kiyosaki series of books and immediately I saw there was no way out unless I changed my psychological views dramatically and acted on them.

I started a savings plan by setting up three bank accounts - one for daily spending (which gave me a small amount of easily accessed money), one for bills (which I used to pay credit cards and so on) and one for long term savings (through ING Direct) which was only to be touched for large goal purchases.

I requested my employer split my pay 30% in the daily and 70% in the bills accounts. Once the 30% ran out, I just sacrificed a bit more and went without the usual luxuries until the next pay. I soon found that I would spread the money out for longer until I hardly ever ran out. At the end of each month (or whenever the deadly credit cards had been paid), whatever balance was left in the bills account was transferred to my savings account.

I am happy to say that after three years, I have managed to save nearly $25,000 for a deposit for my new home, whilst accumulating 5.25% interest!

My kids love doing things on Saturdays but even a trip to the movies for our family costs $70. So I invented '$20 Saturday'. We could go anywhere and do anything as long as it didn't cost more than $20 for the whole day. One Saturday each month we would find a spot in the street directory that looked interesting and take a picnic, other times we visited free places such as museums or community festivals and the $20 bought a drink, small snack or ice cream. Not every place was terrific but we gave each place or activity a score to rate whether we would like to do it again. My boys talk fondly of things we did together and places we visited on $20 Saturdays and they learn that you don't have to spend up big to have fun.

I use a simple principle every day, which helps me save money in all areas of my life. I try to reduce my use or consumption of what I normally do by 10%. The rewards are enormous. For example, if you spend $200 a week on groceries, try reducing it by $20 over 52 weeks and straight away you have $1040 extra in your pocket. You and your family won't even notice the difference, as it equates to less than $3.00 a day!

If you apply this principle to all areas of your life - petrol, electricity, phone calls and so on, the savings are huge even though the sacrifice is not even felt. It not only saves money but also the planet by reducing your overall consumption. Once I achieve this 10% reduction, I do it all over again! Every quarter after the electricity bill comes in, I then set myself the 10% goal anew to keep myself on track and to challenge myself to reduce further. This means the $180 grocery bill then reduces by a further $18 a week and so it goes on. I have done this only to a point where it is comfortable and achievable. Because it is baby steps it is easy and fun and not painful! We have saved hundreds, if not thousands, in the last year or two and are not feeling so pressured by the mortgage rate rises. Best of all is that we haven't noticed any difference to our lifestyle.

This idea is for those who live in a home with a garden that is too small to have a compost bin. I use an empty garden pot, cut a square of one of those net bags oranges come in to cover the hole of the pot. Put in a layer of old potting soil (from a pot where the plants have had their day). Each day save your fruit and vegetable scraps in a container. Place in a layer of scraps, then cover with another layer of old soil. Repeat layer by layer until the pot is nearly full, ending with a layer of soil (water as you go).

Then, while the compost is breaking down and baking, plant some seasonal seedlings on top and in no time you will have potted colour and compost underneath, not only feeding your seedlings but ready for the garden when the flowers are spent at the end of the season. I sometimes benefit from crops of vegetables germinated from the seeds in the compost such as tomatoes, cucumbers, capsicum and butternut pumpkin.

This is a multi recycling exercise using unwanted orange bags, unused pots, old soil and fruit and vegetable scraps and, of course, it is a great medium for the latest seedlings. Instead of flowers on top you could plant your favourite herbs while the compost is baking.

Christmas 2009 was the worst I ever had, having just separated from my husband. At almost 50 I found myself homeless with no money. On the 16th of December I found a share accommodation but had to borrow money from friends to pay for my bond and two weeks rent so that I could have a roof over my head. The only job I was able to do to keep me going was as a housekeeper, yet I could hardly pay for the petrol to get to work.

For four weeks, I avoided going to the shops. I am 90% vegetarian so decided to grow all the vegetables I like to eat at my rented home. I collected some seeds, seedlings and cuttings from friends and customers and decided to spend my last $10 for chicken wire to protect my homegrown herbs and vegetables from possums and bush turkeys. I am spending time tending my garden every day and I now have lettuces, beans, cucumbers, cherry tomatoes, herbs and so on for salads and stir fries every day. I even have enough to give some to my friends and customers to thank them for helping me to stand on my own feet and living a healthy life. This week I only spent $16 for organic eggs, milk, a tin of pink salmon and a loaf of bread. These with my homegrown herbs and vegetables will give me a healthy diet for the whole week. I am saving heaps to pay my debts as fast as I can.

At soon-to-be-50 and with no savings, I bought The $21 Challenge book to challenge myself. I am so excited because I spent years of feeding a family of four and now I am alone I have absolute control of what I spend and what I put in my mouth. I feel liberated, I feel young and full of energy. Having less money in 2010 is more enjoyable than my stressful life in 2009!

Try this impressive five star dinner for any special occasion (perfect for Valentine's Day!) for under $25!

This Valentine's Day, instead of the obligatory card swapping and outrageously priced meals at restaurants, my husband and I decided to make a concerted effort and have dinner at home.

He wanted to suprise me by serving Chateaubriand (eye fillet steak with Bearnaise sauce), which he adores. I, in turn wanted to make him Tiramisu, which has always been his favourite.

While he was out shopping, I whipped up dessert and then locked myself in the study.

After searching the Internet for intimate dinner ideas, I found every possible candle in the house and arranged them throughout our dining & lounge area!

Church candles on candlesticks and on plain white saucers, a runway of 15 tealights on gold tulle ribbon along the middle of the dinner table and on various other side tables and shelves (from my '$6.95-for-100' pack I bought at the Warehouse three years ago and am still using)!

I set the table for two and found some Miles Davis jazz CDs, bought from the Sanity bargain boxes for $6.99 each.

I then went back to my PC and set about writing not a Valentine's card, but a Valentine letter, which I bordered with clipart from a free site. After two pages, I knew that my words were more personal than any Hallmark card, and also it saved me $5.95.

I lit the candles, put on the music and our room had transformed with all the ambience of a private dining suite at a five star restaurant. My husband was lost for words!

Dinner and conversation was wonderful and during the night, our discussion turned to the cost - and saving - of our meal and we both agreed that it was far better to have stayed in than gone out.

Chateaubriand normally costs between $60-$70 for two; ours cost a grand total of $20.45 for two, including vegetables. We could have easily served three from it.

Tiramisu can cost between $7.50 up to $15 each at a restaurant. I bought the ingredients for half the recipe I found and at a total of $7.34, I still made 4 serves ($1.84 each).

Our wine was chosen from our wine rack, saved from previous dinners and occasions, saving us up to $40 on a restaurant bottle.

Altogether, our 'restaurant' dinner cost us $24.12, as opposed to a potential bill of up to $120 if we had dined out. We further saved on fuel, parking and a babysitter as the baby was home with us (asleep).

With the time we saved on travelling, we continued to talk, dance and enjoy each others company without any interruption.

The letter I wrote my husband brought him to a tear, and us just a little closer. As I sat there I realised the effort and surprise we gave to one another was priceless!