Originally Posted by
Kremmen
If you get a survey titled "Study about Consumers" for $5 for 20 mins, you might want to skip it. After I answered questions about products, brands and theme parks for about 15 mins, it then said I didn't qualify!

I got the same survey and the same response after spending ages doing the survey (lots of run time errors that I had to backtrack on.) I sent erewards an email expressing my displeasure, and they credited me with the full survey amount.
Sometimes you have to speak up and let them know about situations like this.