https://forum.primedice.com/board/52-user-giveaways-non-official/
Does this even work? It seems like a really easy, uncontrolled way to manipulate the answers and never really get the reward users think they're going to get. I check out a few and some are quite strange like 'Guess my babies weight'? Anyways, it would be nice to get some comments from people who actually used this
Yes they work.
Just make sure you participate on those members with more trust and check latest feedbacks / replies from other users.