Two sites which are fantastic ideas for saving money:
A book swapping site. You simply post a book you want to swap and get a point in return for each book. Each point ‘buys’ you a new book. Brilliant!
A site which allows you to swap your old clothes. Bit like eBay but without the price tag. Each item you swap earns you points (each item earns different amounts of points) and you can use these to ‘buy’ other items.
I am yet to use these sites, but love the ideas. So please let me know about your experiences.