The Observer: 20 ways to survive the credit crunch
6 Sources of cash
Stop using EBay as an unlimited shopping outlet and start using it to sell all those unwanted and unloved things around your home. If that sounds too hi-tech, hold a garage sale. If the contents of your house are, ahem, not the sort of thing for which people would necessarily pay, you could always join a recycling community via freecycle.org and give your unwanted goods to the first person who will collect.