Well, honestly speaking that I've never seen people selling their own data for a few measly bucks as their data is worth a lot compared to what they get paid for it. It's actually priceless. And BTW, would you mind me asking what is the noble cause for which you are asking others to help you out with KYC?

TBH, I'd myself advice everyone to refrain from such activities UNLESS AND UNTIL you know exactly that for what purpose will your data be used.