A couple of people have contacted me to ask about the survey sites I use so here's some of the lowdown. I must repeat what I said in the first post about the huge numbers of screen-outs and the very low rate of pay but if you want to have a go I can suggest several sites. Please remember that I am UK based although some of the sites I mention operate in different countries.
Have a look at https://yougov.co.uk/ This is a site which sends one or two invitations to me each week. A survey earns me 50 points and when I have collected 50000 I get a payment of £50 via BACS. The surveys are well written and if I get an invitation I know I will be able to complete the survey - no screen-out. It takes about a year to earn £50 so don't get too excited!
I get a lot of invitations from Toluna but I also get a lot of screen outs which is very frustrating. However, I complete enough surveys to get a £15 voucher every six weeks. Until recently I had Tesco vouchers but last time had Sainsburys but they offer garden vouchers, book tokens etc.
If you care to e mail me (go to my profile and there is an e mail link) I can send you referral links. Good luck but don't expect to get rich quick.
I'll write about some more sites another day.