This hint was a saviour during our last $21 Challenge.

The girls were looking for lunch and complained there was nothing to eat, so I found a large plastic platter and put the following treats on it:

A leftover BBQ sausage, thinly sliced

Two slices of leftover bread, buttered and cut into quarters

A diced kiwifruit

Four strawberries

A small piece of cheese, diced

1/4 tin corn kernels in a lettuce leaf

A muffin, cut in quarters

Four leftover chicken nuggets, cut in halves

A dob of cream cheese with a little corn relish mixed in

Four cucumber slices

Four cherry tomatoes

One Vita Wheat, halved

I gave the girls and myself a saucer each, plus a cocktail fork and everything was eaten and enjoyed. Now we often have 'platter parties' for meals and snacks. A novel way to serve up a meal when you have 'nothing' to eat!

A few simple lifestyle changes have helped me lose 26.5kg AND slash my food bill by $35 a week! Over the past six months I have developed my own healthy eating and exercise regime. I began by pushing my one-year-old for an hour a day to the park and around the shops at a brisk pace, using our $20 eBay running pram. I also invested in some second hand hand weights and after extensive research on the Internet, I started my own regime of weight training exercises.

Food-wise, I began buying in bulk and made my own nutritious meals, rather than relying on 'ready to eat' microwave health meals. This way I knew exactly what was in each meal and there was never any waste. I started making my own meal plans and eating smaller portions, going from a 3000 calorie-a-day diet to 1500-1600 calories per day.

Under my new regime I soon began to lose the weight, but the real bonus for me has been in the savings I have made. Changing the way I ate and my portion size has resulted in me saving $35 a week over the past 26 weeks! A win-win situation all round. No personal trainers, fancy diet shakes, pills or supplements - I simply used what I had. I feel fantastic and have the energy levels of a teenager! If I can do it, anyone can!

Going out of my way to present well to prospective landlords has really paid off for me. I recently had to find a new rental property and found that the open inspections where attracting many families at a time. Being a single mum of four, I knew I had my work cut out for me trying to get something over the two-parent families.

I decided I would write a covering letter as an introduction to the land agent/owners. I wrote about who we were and even what schools the kids went to, to show we were already established in the area, where I worked for the same reason. I got friends, my employer and my pastor to all write character references for me, which I copied and added with the letter. I also have a dog, which can be a problem so I got my then-current agent to write a reference for my dog too, which I also copied and added with the letter. I then attached these to the application, along with copies of my last four weeks' payslips and a payment summary from Centrelink.

The first house I applied for had more than 20 families and most of them were two-parent families. I added all the above mentioned stuff to my application and I was happy to receive a call the next day to say I was successful. I asked the agent if my letters and other details had helped and he told me that they had been the deciding factor. They liked that I had taken the extra step and cut out some of the work for them. They also appreciated that I had been so open with them. I would recommend this to anyone trying to rent a place. It takes only a little time and effort but could be just what you need to secure a house!

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!

I have decided I want a house which I can clean in minutes and I don't want any more energy or money draining clutter that makes it harder to control. The more I have the harder it is to control and the more motivation I need to contain it. 'Less is more' is my new mantra! I am applying this principle to my finances as well - when I buy too much it is such a burden and I don't have the motivation to stay on top of all the bills. Therefore, less is more - more energy, more money and more happiness!

As school has gone back, and exercise books need covering, I thought I'd share this money and time saving tip.

I bought a box of 100 plastic sleeves, just like the ones you clip into ring binders. These cost me just $1.50. I then cut off the spine and the bottom of each sleeve, leaving me with a piece of plastic that is the perfect size for covering exercise books. The spine of the book fits and holds neatly in the crease, and the overhang is the perfect width for folding over the edge and sticking down. So simple, and at $1.50 to cover 100 books, so economical too.

Our story is a great example of how thinking outside the square has enabled us to get ahead, even through the toughest of trials. My husband is on a disability pension receiving $450 per fortnight and I work 20 hours per fortnight earning $397. I have chosen not to apply for Centrelink benefits due to the numerous requirements. Our uninsured home burnt down 10 years ago leaving us homeless (I went into premature labour and spent six weeks in hospital with complications so I had somewhere to stay but my partner lived in our car with our two dogs for this time). We were at the lowest point ever and could not imagine how we were going to survive. We were advised to go bankrupt, which we did but we were now unable to get finance (in hindsight an absolute blessing) to get another house.

We did what most people do and rented a house in the suburbs thinking this was it for us. After three years of this we decided to look elsewhere and found a house in 'woop woop' which was $6000 (pre-real estate boom). Using my first home owner grant we purchased our house and although it was two hours from anywhere good, it was ours outright. This in itself is a handy hint to look outside of the box - our 'woop woop' town had a doctor, a supermarket and a school so it was fine and we lived there happily for another three years. At this point the real estate boom happened and we sold our house for $48,000 and decided to look outside the box once again. We ended up 2000km away from home in a place two hours from Adelaide. We still live here happily and after four years the value of our property has gone from $35,000 to $95,000 (I swear getting our first home owner grant was like winning the lottery).

But we still couldn't save any money so two years ago I cancelled my fortnightly family tax benefit from Centrelink (approx $200 per fortnight). It was hard - very, very hard for the first eight months but then it was tax time and I was very surprised when I received a tax return of more than $7000 with my lump sum FTB part A and B. We paid our bills and bought a second hand car. This year I paid a little extra tax each week ($10) and was pleasantly surprised by an $8000 tax return. With this we bought a block of land 30 minutes down the road (in a bigger town closer to Adelaide). The value of this block is double what we actually paid! Some people say we were lucky but luck had nothing to do with it - we were just prepared to live in very yucky houses in areas no one wants to live. Three months ago a house in our town sold for $21,000 which is around the same as the first home owner grant now and there are still others which would be around the same price. We don't have sewerage or town water but we have a school and a pub so it was certainly a change in lifestyle.

Other people have asked how we are doing so well now and I just laugh! We are earning $845 per fortnight and I have chosen not to work extra hours so I can still be a stay at home mum to our diabetic 10-year-old. We have private health cover, Internet, insurance, power, phone, petrol expenses ($100 fortnight), rates, medical expenses and even private school fees to pay but we still have enough to go around and often support other people with food, even though they are making much more than us. This year we plan on buying a second hand relocatable house for our block with our tax return. It may be a form of forced savings by not getting a fortnightly benefit but when it comes in it is amazing. Thanks to careful budgeting and Simple Savings we easily survive!

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.

Three weeks ago we ended up without a cent to spend on groceries and the money situation for the following week was only slightly better. We had to eat, of course, so I raided the pantry and freezer and managed to get by on what we had. We were also running out of laundry powder and toilet paper so I rationed out these things to make sure we made it through until we could afford to stock up. It meant using less laundry powder per wash and a few less squares of toilet paper each visit, but we got through the week without having to buy anything, saving around $300.

The following week we had only $30 for food shopping. I still had things I could use up in the pantry and fridge/freezer, and the rationing of the laundry powder and toilet paper meant we wouldn't need to buy more until the next week. So I spent our $30 surplus for that week on milk, fruit and vegetables.

Last week we were back to normal but my two weeks of poverty made me realise just how much money I can save each week by using less of everything and trying to use up what I already have in the fridge and pantry. Over two weeks I had managed to NOT spend about $570 and I had also cleared out a stack of canned beans, canned tuna and sardines, frozen vegetables, frozen meat and frozen loaves of bread that were taking up space in my pantry and freezer.

Making your own pizzas is a brilliant way to save money on buying them - but I bet you haven't tried this! You can save even more money on takeaway pizzas by making your own bases using just TWO ingredients!

This recipe makes two medium sized pizza bases:

2 cups self raising flour

1 x 200g tub natural yoghurt

Simply combine your two ingredients in a bowl and mix together until well combined. Turn out onto a floured board or surface. Knead together as usual, then divide into two equal parts. Roll out your pizza bases, add your chosen toppings and pop into the oven for 15 minutes at 220 degrees.

The results are so delicious. Simply use up whatever you have in the fridge to top your pizza and you've got a super cheap and filling meal. I've converted all my family and friends too! I dare you to give it a go, you'll be amazed!