I had been living beyond my means for some time and knew I needed to trim my spending. For the last couple of years, I had been pretty careful with purchases, but was not succeeding in 'cutting my coat according to my cloth'. About eight or nine months ago, I decided I would only spend cold hard cash. I withdrew what I could afford to once a week from the bank and forced myself to make do with that until the following week. What a shock! The first couple of weeks, I was penniless within 24 hours and had long lists of unpurchased 'necessities'. My grocery shopping barely covered the bottom of the trolley. (What a joy when it came to unpacking it!) I discovered I could do without many things and started making all food (including bread) from scratch. Most things tasted better and I enjoyed cooking. I started buying vegetable seedlings and growing them, but have had to trim that back to seeds to supply us with enough. The junk food and alcohol are long gone - the money never makes it that far. I lost weight! But I still wasn't making ends meet, so I had to cut back on contents insurance. The result has been that I am more careful with what I do have and am becoming less concerned about material possessions as I am not acquiring expensive new ones anyway. I had more free time on the weekends as I didn't 'have' to scour the newspaper for the best buys and then rush around putting them on the credit card. However I still needed to trim my expenses, so I had to forgo my medical insurance. I find I am now so much more careful with my lifestyle, diet and exercise and I suspect it is because my subconscious knows that there is no comfortable private hospital or top specialist waiting for me if anything goes wrong.

Petrol is still a thorn in my side and I am very conscious of the percentage of my hard-earned money that is going on harming the environment just to get me to work. Tomorrow I have an interview for a less 'glamorous', but otherwise similar job within walking distance of my home. This would also increase my exercise. So far, the follow-on effects of spending only cash I have in my hand have not ended. But each time I have had to make a tough decision about which 'necessity' to forgo to live within my means, I have discovered that going without is not as bad as I feared and that, oddly enough, I am now healthier, happier, less rushed, more in control of my life and proud of my resourcefulness than I ever was when I had everything I thought I needed.

When you are going out for a picnic or taking lunch to work or school, use cloth to wrap the sandwiches. This is much better than cling wrap or foil because it's cheap and reusable. I use tea towels, napkins and chopped up table cloths to wrap my sandwiches. The sandwiches stay fresh and when I've finished, I just shake off the crumbs and take the cloth home to be washed and used again.

There is something pleasantly old-fashioned about this method - and just think of all that plastic not going into landfill.

We have been growing our own vegies, with quite some success, however we had a problem with white butterflies laying their eggs and producing green caterpillars which would attack our precious crop! I had heard that these butterflies were territorial so I came up with a brilliant solution to our problem. I made replica white butterflies,(out of waterproof ice-cream container lids) that were the same size as the real ones I then skewered them onto bamboo sticks and placed them in amongst my vegetables. Result: No more butterflies! It really works- I've watched them whilst having my tea break. As they fly over our garden they see there are already several there in our veggie patch, so they fly on over to the neighbours gardens! It sure is a cheaper and more environmentally-friendly solution than any other pest control I've heard of!

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!

This simple bill payment system lets you take a holiday from paying bills at Christmas time.

Every time I receive a bill, I pay $10 more than the amount required. For example, if the monthly phone bill is $50, I pay $60. This has worked really well for me, and come December I am able to stop the phone, internet, power and rates payments. I use this money for Christmas gifts, safe in the knowledge that my bills are covered.

I make home-made yoghurt in my EasiYo maker for as little as $0.50c per kilo. You don't need to buy the special sachets, all you need is milk powder and a couple of tablespoons of plain yoghurt. I just use 1 and 1/3 cups of milk powder and two heaped tablespoons of yoghurt (saved from the last batch). Easy, cheap and delicious!

We are retirees. We eat well, dress well, and live in a modern house, with an interesting flower and vegetable garden. Our income would probably be classed as poverty level, but we live like kings, because we have one shared vice. We are garage sale fanatics. Little in the house has been bought new. Older furniture has been restored, as my husband has clever hands. Once a year he sells the surplus at a huge garage sale, and it usually pays for a holiday.

We buy books, linen, furniture, new clothing, garden plants, sewing material and cottons, timber for building toy boxes and hall stands at garage sales. Our kitchen TV cost $25. The little one in the bedroom is 25 years old, so I bought a video recorder for $5.00 and can now get all the channels through the video. My three telephones and the answering machine are all from garage sales, as are my kitchen crockery, blankets and the beautiful satin embroidered bedspread that cost $5.00.

I am like a centipede with shoes as I buy good brands that have been tried on in the shop and are as new. It is the only place I can find the good comfortable shoes I favour. Likewise, many of my clothes are top brands. I bought a $168 pant suit for $10 because the lady's husband didn't like the colour.

The deep freeze, the two coolers, bed lights, beautiful big mats are all from our Saturday morning treks. We list the sales and use a street map to plan a route to save petrol.

Sometimes tinned food or home-made sauces are available, and if the vendors have fruit trees they sometimes sell the fruit by the plastic bag - picked yourself.

Nothing is sacred at garage sales, and provided you need the items there are some real bargains.

How about our home security system for $2.00, because the seller couldn't work it? A little investigation on the Net yielded full instructions.

My computer came from a government auction at one-third of the price quoted for a second-hand model at our local shop. Needed a bit of study to set it up, but I love puzzles, and so had it running with the Windows 98 program I bought for $10. I also keep the grandkids in Playstation games, and my daughter has been married for 20 years and has never bought any linen as I have kept her supplied with good quality buys.

My hobby started after my divorce when I found myself with an old 50's house to renovate and little furniture. So I started to buy 50's vintage furniture as well as renovating materials - paint, wallpaper, timber, doors, curtains.

Along the way I met a widower with the same ideas, so garage sales have provided a lot of rewards - a good life, enough money to enjoy ourselves, and a multitude of associated hobbies and friends.

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.

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.

Last Christmas, instead of buying everyone gifts, I bought some small gift boxes for $2.00 each at cheap stores and baked mini puddings and mini rum balls (I made heaps from one recipe), which I put in the boxes. I then tied them with a length of curling ribbon to make them look attractive. Everyone loved the goodies inside, and the maximum cost was $20 for at least six boxes.

I will definitely be doing this again this year. It will probably become a tradition - and why not?