We all know that being a student can sometimes be very financially straining: Wrapping up in blankets and layers of woolly jumpers to save money on heating bills, buying Sainsbury's value vodka because branded alcohol is too expensive - you will soon become accustomed to these student ways of life and realise how easy you had it when living at home. One aspect of student life that requires a seriously strict budget regime is the food shop. Here are five top tips on how to do a student budget food shop, because you're going to need it!