Alternatively, you might need to register with HMRC as newly self-employed, but if you're just doing a few for fun, you might not. It's worth giving them a ring on 0300 200 3500 to check if you're not sure. You need to register, so make sure you do so by the end of the third calendar month after you've started – or you could face an automatic £100 penalty.
This site offers surveys for money, paying out cash rather than points and allowing immediate rewards. Crowdology is a pretty popular website with a decent reputation which works with big brands and television shows, so can have some interesting content to keep you interested while you’re filling in forms. You could be answering questions about everyday topics or issues, such as saving money or online shopping, as well as your opinions about various products.
“I participated in an in-home product trial study. A coffee machine company sent me one of the coffee makers along with about 200 coffee pods. I received $7 for completing 3 short surveys. Plus, after the study, the company said I could keep the coffee maker. So, I got like 4 mos of coffee for everyone in my household, a free coffee maker and $7!” - David W.