I have noticed that things are more expensive now too - even though DH and I are pretty comfortably off I'm still tightening my belt a bit before going on maternity leave again. We have a couple of big bills coming up (new clutch etc for his car) which will really make a dent in our savings.
I have lived on very little money in the past though - some of the tips I'd suggest are below:
1. go shopping late at night (or at whatever time your local supermarkt reduces stuff) I picked up a load of fish in Morrisons the other day which had all been reduced - like a £4 rainbow trout for £1.30 - it's all freezable so a good way to save money.
2. use eco-balls instead of washing powder
3. sell as much as you can on ebay/gumtree/local NCT sale etc
4. buy stuff on ebay or from charity shops rather than new
5. use things like lentils etc in recipes rather than meat, and make a big batch then freeze it so you have cheap ready meals for those nights when you can't be bothered to cook but aren't tempted to get a take-away.
6. switch appliances off standby at night
Check out the moneysaving experts website - loads of good tips and deals on there http://www.moneysavingexpert.com/
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