I have been doing paid surveys for several years now. Most of the time you will have to answer a few questions to see if you qualify but it usually doesn't take but 5 minutes. When you sign up to each site, fill out the profile section as this will help the survey site send you surveys that you most likely will qualify for. Some of the good ones are Clear Voice Surveys, Inbox Dollars, Send Earnings, Reward Port, MyPoints, Freeride Freemail, Toluna Survey Center, Dataintelligence Online, USA Talk Now, MyOpinionNow and MyView.This is just a start and I have been paid by every one of these. You may have to start with the dollar or two surveys I did but I am now offered ones up to $100. Hope this helps.

Survey Lion is good. I used to get $5.00 - $10.00 surveys from them a few times per month. I used to do online surveys, but when many started this system of offering a 0.50 - $1.00 'honorarium' to take a 15-30 minute survey, I stopped. If the survey cannot pay you adequately for you time and for your opinion, they are NOT worth it. Seriously!

I wold be interested in UKs. I used to do it but never got paid.

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I do UK surveys though many of the companies are US based. The best is Pinecone, based in Belgium, which pays you £3 for every survey, into Paypal the next day. The others take weeks and only pay 50p or £1, and you have to rack up a certain amount before payout - supposedly to encourage you to stay. Springboard UK, Crowdology, My Survey and Valued Opinions pay cash and you do get regular invitations.

Many surveys only want people who own smartphones or have new cars because that's what manufacturers are interested in. People on low incomes often get screened out because manufacturers think they don't have spending power, and also they are more likely to be doing online surveys to earn a little.  High earners don't sit at home doing surveys! You won't get rich doing surveys, and it needs time and persistence. But if you do 2 or 3 a day - any more would drive me insane - the earnings do mount up over time. I've had useful amounts like £30 or £40 - I probably make about £180 in a year which isn't much but is useful at Christmas, and the vouchers keep the grandkids in birthday presents..! 

I am sorry having to say this but I did survey for quite a number of them I always got the same answer or they wanted to do it for charity or coupons. I am the last not to do something for charity but I am very suspicious of whether they pay the charities because they never name them. When you ask they ignore you. Times and again I was cut off 90 per cent through stating they had already enough people answering. That was another trick.

Cashcrate is a survey site that I have been with for  4 years. Payout is $20. Also, fusion cash and pinecone research are also reliable sites. You would have to check to see if pinecone is accepting new people. These sites you do have to bequalified to take surveys