First post here! What’s everyone’s thoughts on surveys for gems?

Title ^^ What’s your thoughts on doing the surveys for gems? I’ve never really seen anyone talk about and I’m curious. Personally, I love it. I get in bed at night, do some surveys for roughly an hour and I can get between 50-100 gems. I think it’s great for people who don’t have the money/don’t want to spend the money on gems!