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!

I have read heaps about menu planning but found it all just so overwhelming. Choosing a menu for a whole month seemed like a lot of hard work but I have found a way to help even the most disorganised person.

Starting on the first day of a new month, and using a calendar or diary, write down what you have for dinner each night of the month. You will soon see what meals you eat on a regular basis. You can then transfer this information to the next month in your calendar or diary, and there is your monthly menu plan!

When I see the new ads on television for Watties 'NEW HOMESTYLE MASHED POTATOES' for the microwave, I just about laugh myself of the couch. I have used this system for many years, for a fraction of the price! Using an ice cream scoop, put single servings on your baking tray and freeze. To remove, gently twist the baking tray and they will 'pop' off. Place the required number of servings in one of those 'recycled' plastic bags that all us Simple Savers have stashed away and place in freezer. When they are required there's no need to defrost, just put them in the microwave (covered) and 'zap' for one minute per scoop. My kids love them with an egg for breakfast! Quick, very low cost, no nasty preservatives and yummy. Not to mention a lot more convenient than going to the supermarket and spending your hard earned dollars on more prepackaged junk you and your family don't need. Enjoy!

I found a way to save almost $50 a year on liquid hand soap with hardly any effort! Just take a bucket filled with four litres of water. Drop a bar of generic soap into it and let it soak for 24 hours. Give it a mix and pour into clean two-litre milk bottles. Just top up pump bottles when needed. For a little added luxury, add half a cup of sorbolene cream and a few drops of glycerine. Works a treat!

School holidays are more affordable with the help of the $21 Challenge! Money seems to slip away so effortlessly while out having fun with my teenage kids. Budgeting is something I am trying to teach them about but it is hard to make it relevant sometimes. Then I had a great idea that would make them pro-active with the weekly budget over the holidays, without me being a 'budget nag'.

It is the $21 Challenge week, with a twist. THEY have to go and log all the food in the freezer and pantry, and make up the meal plan for the week. Then all the money THEY save us for the week can go towards some guilt-free fun. It's a great incentive and my kids are learning important household skills.

We all know how convenient it is to grab a packet of cake mix off the supermarket shelf, but you can save a lot of money by making your own. This recipe is really easy to make and you can store it in the fridge for up to three months or for longer in the freezer.

Ingredients:

250g self raising flour
185g caster sugar
2tbsp milk powder, skimmed or full cream
125g butter

Method:

Sift or process all dry ingredients until combined, and then rub in or process the butter.

To make the cake add:

2 eggs
1tsp vanilla essence
1/2 cup water

When these ingredients have been added to the cake mix, beat the whole lot until combined. Bake at 150C - 180C for 30 minutes if making one cake, or 20 minutes for smaller cakes. For variety, add coffee, cocoa or anything else you like. This is as good as shop bought cake mixes and half the price!

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.

Instead of paying for one expensive doona, and the dry cleaning costs that come with it, buy two or three cheap doonas, pin them together at the corners, and put them into the same doona cover.

Because cheap doonas are thinner, you can wash them one at a time in your washing machine, and you can also adjust the warmth. When the weather starts getting warmer, just take one doona out of the cover and put it away in the cupboard.

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.

Sometimes I feel as though I've lived on a budget all my life! I live alone in a second floor rented apartment - no yard or garden, just a concrete car park. To combat that 'locked in' feeling, I have endeavoured to bring the outside in for little cost.

I have several indoor plants; beautiful, green and healthy. My small cold water fish tank has two goldfish in it, they are healthy and lively and provide colour and movement darting around. Very cheap pets too, a can of fish food lasts for ages and you can get all kinds of tanks to suit any budget.

I conserve water by using the 'old' water from the fish tank when I change it to water my plants, giving them lots of nutrients! I also use the water left from steaming vegetables to water the plants too.

I have no car, so must walk to get my groceries and other needs. I tell myself this is all POSITIVE. Everytime I walk to the shops and back it is exercise and energy sustainable. I'm not creating any air pollution either!

Almost all my clothing comes from the local opportunity shops - guess you could call me Second Hand Rose! I have three good op shops in my area, which are also great for cheap books, kids' toys - just about anything you can think of!

Frugality is not about being 'mean'; it's often very necessary for those on a fixed and limited income - and it can be a lot of fun!