We've saved about £500 and we started about 12 months ago. It seems more or less anything will sell and if you price it right and list it right there is always a profit to be made on each item. We've sold an old dog bed we didn't use any more, old clothes (the Disney ones seem popular). It is a bit of hassle if you get the odd one who doesn't pay, but we've only had one since we started. We're now getting to the point where we've not got anything left to sell. It's good if you know what you're doing, if not then it can be a bit daunting.