After reading The $21 Challenge, I thought I would see which other areas of my life I could apply the Challenge to.

First, I opened a separate bank account and now deposit $21 every week before I do anything else with my money. I see this as a type of retirement fund – it will be nice to see the funds in 30 years time!

My next $21 Challenge is to only put $21 worth of petrol in my car each week. I will park my car further away from where I need to go; this will save money and improve my fitness and wellbeing.

When my phone contract ends soon, I am going to challenge myself to spend no more than $21 on pre-paid phone credit each month - now that will be a challenge!

There are so many ways we can implement the $21 Challenge in our lives, thanks to Fiona and Jackie's inspirational book.

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.

After reading every newsletter on this fantastic website, I decided to make changes to our household budget.

I started by rummaging through the cupboard, where I found an insulated plunger coffee mug that my husband and daughter had given me as a gift. The mug had never been used as I found it easier to grab a 'latte to go' on the way to work. I bought a tin of ground coffee beans for $6.65, figuring that this tin, with its plastic lid, could be refilled. I now keep this tin in the fridge at work. So, instead of buying three lattes a week at $3.50 each, I now allow myself one a week or sometimes just one a fortnight.

While buying my latte I would sometimes purchase an English muffin with bacon and egg. I now have muffins in the freezer, bacon rashers trimmed and have perfected the three minute poached egg. The bacon takes one minute in the microwave and the muffin is toasted in no time. If I am in a hurry, I wrap the bacon and egg muffin in a small piece of alfoil and take this to work. So instead of paying $14 per week, or $672 per year, I now buy the ingredients for the equivalent of $1.45 per week, saving just over $600 per year. Wow!

You have no idea of how proud I feel. I have saved so much money and it's thanks to your wonderful site.

I've found a really cheap and nutritious way of feeding my toddler when we are out shopping. Most of the shopping centres around us have a food hall and most of them have a roast carvery type place (that sells roast meat, chips, vegetables and so on).

At the carvery, I ask for a bowl of peas, beans and carrots for my baby. Some places have given it to me for free, commenting how nice it is to see children eating vegetables. Other places will charge $0.50c and the most I have ever paid is $1.00 for a 'big' baby sized bowl full. Don't forget to ask if you are buying a roast meal there yourself, because they may throw in a baby sized bowl free.

It's great when I run out of food at the shops, if he eats everything I have taken with us, or if I've taken longer shopping than planned - it's really healthy and cheaper than buying baby food in jars (which my toddler refuses to eat anyway). We have been doing this since he was eating finger foods from around 12 months old. When he was small he used to eat one pea at a time, which provided hours of entertainment too!

There are other vegetables available but we avoid any that have been fried or cooked in oils (like roast potato) and those that have sauces (like cauliflower cheese).

I am 22 years old and on a low income, but am well on the way to saving for my first house! I developed a simple system that keeps my savings goal at the forefront of my mind and encourages the support of those around me.

I've always found it hard to save, but one day I got a big piece of cardboard and wrote 'My House Deposit' at the top. On the right hand side I cut out images of a house, a kitchen and a loungeroom that I would love to own one day. On the left hand side I drew a giant thermometer and on the side wrote the figures $0 to $40 000 ascending, just like on a real thermometer. Whether or not I need $40 000 is irrelevant; I look at this table every day and whenever I save another $500, I colour in with a red crayon up to the amount on the tally. I use hints from Simple Savings, such as making my own lunch every day and not buying clothes if I don't need them and now whenever I make a purchase I think of my house deposit and how much I want it far more than a coffee or new shoes!

An unexpected bonus of having this chart is that I've found my family and boyfriend have become aware of my goals and I get lots of support along the way. This visualisation technique really does wonders, and most importantly you are making a concrete agreement with yourself and you stop losing sight of your goals. I'm already a quarter of the way to reaching mine!

Make all your leftovers taste fantastic with this bulk white sauce mix. Makes enough for 24 servings and you can keep it in the fridge:

2 cups (500g) powdered milk (I use skim)
1 cup (250g) plain flour
2 teaspoons salt
1 cup (250g) butter or margarine.

Combine dry ingredients, add butter and blend until mix resembles dry breadcrumbs. Put in large air tight container. Store in fridge. Use within two months. I label the container with the date and method.

Method:-
To make sauce combine, 1/2 cup mix to 1 cup
cool water. Add flavourings to suit, for example, curry, vegetables, onions, cheese, whatever you like!

I no longer use disposable cloths to wash the dishes and wipe down benches.
 
I recently bought two bulk packets of face cloths, giving me eight cloths. Each cloth is the perfect size and thickness for washing dishes and wiping down benches. I use a cloth for a day or two and then throw it into the wash with the tea towels.
 
I have been reusing the same cloths for over a year – just think of the savings now that I'm not buying disposable kitchen cloths every month!

We had the chance to travel overseas several years ago but had to save $1000 to make it happen. On one income with two small children it seemed impossible. Then I had the brainwave - I didn't have to save $1000, I had to save $1.00 a thousand times! This was so much easier - a generic brand product at the grocery store, a chocolate bar at the petrol station and so on, soon added up and the savings contributed to a great family holiday.

As part of my $21 Challenge to use all the food in the pantry, I have set up a 'use up soon' basket containing items getting close to their use-by date. This way, I will remember to use things before I have to throw them out.

Here's how we saved $3160 on our food and grocery shopping in one year!

With two kids, it's difficult to find time to shop every week, so I now plan a month's meals in advance and do one big shop each month for basics and weekly shops for fruit, vegetables and meat.

We used to spend $150 a week ($7800 a year) shopping, then find we were throwing away fruit and vegetables because they had gone bad, and that we never had enough ingredients in the house for a full meal. We now spend a total of $170 a month grocery shopping, and $50 a week on fruit, vegetables and meat, if that. This equates to a yearly total of $4640 - a saving of at least $3160!

Planning the month's menu takes a maximum of 20 minutes, and each week we have two fish meals, two meat meals and three vegetarian. Recipes come from 'The Destitute Gourmet Cookbook', the Safeway magazine, magazines from the library and from friends. Each week has a mix of easy/quick recipes and more involved ones so that if I have a busy day, I can make something quick. I also plan the 'snacks' such as oat cake, date loaf and banana muffins.

I have a spreadsheet on the computer which helps me to plan how much pasta, rice, tinned tomatoes, and so on I need (four kilograms of rice, five packets of pasta, and so on).

After planning the menu, I write the shopping list and then hit NQR, Safeway and Coles while my husband looks after the kids. It takes only an hour if you're organised with a list and go at a quiet time of day! I prepare separate lists for the weekly fruit, vegetable and meat needs.

We are all now eating in a healthy way and always have cakes and biscuits on hand for guests - and we always use what we have before it goes off.

Other advantages are that other people can consult the menu to see what to cook if I'm not around. Because I'm only doing one big shop, I'm not buying as many impulse items - especially since the husband and kids stay at home! We're also finding that we have enough leftovers from one meal to last another, even after using some for lunches.
And we don't live on baked beans! Tonight we feasted on vegetarian sushi with pickled ginger and Asian dips. Last night was a Moroccan chicken casserole with couscous. Tomorrow night may be a tuna curry, home-made vegetable pizza or grilled balsamic lamb salad!

Doing this, we're saving more than $3000 a year for the family - and don't have the stress of shopping each week with two active children!