that's couple of years back.
This was the past!Now I think this is not possible. And I think mostly are fake. And those which are still paying I think they are not giving nothing means very low value and they set the a high value of withdraw.
So I think in these days you can't earn much from spins or from faucets.
This is because free spins and faucets are mostly being abused. That is why a lot of casinos do not offer them without really a catch. If they are offering free spins, the winnings are most likely of low value and you really have to wager a certain amount first in order to withdraw your winnings. Because of course, casinos aren't charity institutions to give free money.
Free spins are now just some sort of additional means to test your luck but you couldn't really rely on it so just don't set your hopes up so much.