How reliable is zap surveys?

I know I read posts saying how shady they can be not sure if it's true but how legit are they has anyone had any experience with zap what got my attention was $6.25 for your first survey seems sketch to me?

submitted by /u/thechopper133
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source https://www.reddit.com/r/beermoney/comments/i1vufu/how_reliable_is_zap_surveys/