When you go shopping make a list and stick to it like your wheels depends on it. Shops are designed to make you fall prey to your shopping impulses. If you spend R50 on an expensive pre-made meal that could be the cost of a dial on your dashboard. Employ some tricks to stop you lingering in malls and stores. Go grocery shopping when you don't have time to linger and browse or a few hours before you go out on the weekend.