Sometimes survey invitation links direct you to other survey companies, rather than keeping things in-house, which can feel a bit like spam. As is common in the industry, you can sometimes get stuck filling out lengthy qualifying questions which take up to 30 minutes just to see if you’re eligible for a survey. Needless to say if you find out you are not then this is extremely frustrating.
There have been some reports of technical glitches on the site preventing users from receiving their earnings, but customers services are contactable and said to clear up most issues for workers. Valued Opinions has a unique “badge” program, allowing its most active members to work up five levels of achievement from bronze through silver, gold and platinum to the top tier of diamond, by carrying out extra mini tasks.
The point of each survey is to present you with a topic you're interested in and qualified to discuss for the benefit of the researcher. Surveys range in time required, from very short to quite long. Because researchers are looking for opinions only from certain segments of people, you may find you have to try a few surveys before you're qualified to give your opinion on one. Keep at it, and you'll eventually find one that's right up your alley.