Be a smart shopper, go onto websites that sell shortdated food and such. You can stock up on tons of the stuff for a fraction of the price you'd pay in a store. I know this all too well, seeing as my mother does. She managed to get just under £70+ (RRP) worth of foods, add on the delivery charges... Overall, she paid just £25.

£70 worth of foods for just £18. I think there's a good bulk deal happening here, somewhere...

She says she'll do a one of these bulk shops every month. It seems like an extremely sensible idea, putting it honestly.