The Shops service provides an online shop where you can, design, manage, and sell your own branded merchandise on your website. If you already have an audience, this is the pick for you!
For more valuable items, it could be worth going to an auction. Jonty Hearnden, antiques expert and presenter of BBC 1's Cash in the Attic and Sun, Sea and Bargain Spotting, says you should contact a local auctioneer if you think an item could be valuable.
Many of us have an old mobile phone gathering dust in a drawer somewhere, but you could easily turn it into cash , even if it is slightly damaged. Websites such as , and will tell you how much your phone is worth. An iPhone 3G, for example, could fetch around £130.
If you're longing for some retail therapy but can't afford to hit the shops, why not earn a few pounds as a mystery shopper? Websites such as employ mystery shoppers to drop in unannounced in shops and restaurants and rate their experience.
After you send in your feedback, you'll be paid for your time and reimbursed for any purchases you made. You could make up to £20 a day, and get a meal or a night in a nice hotel thrown in for good measure.
If you spent years of your life being marched to piano lessons, put the experience to good use in adulthood by advertising your services in the local newspaper as a music teacher, says Laura Howard in her book, 's 100 Ways to Beat the Credit Crunch.
Volunteering for medical experiments doesn't just have to involve taking untested and risky drugs. Some clinical trials are perfectly safe, such as sleep studies, psychological tests and taste testers. Fit and healthy volunteers living in London willing to donate their blood for clinical research, for example, could be paid £60 a time.