Only 4 days now. With the first 50 spins that were free, and having 3 spins every 3 hours, and also 10 bonus spins a day at random, I already have quite a bit of ETH. Here is part of the screenshot I took. I will keep everyone updated.
You can see that at this rate, the minimum payout should be hit in exactly 3 to 4 weeks. And when it does, its big!