50 times your buy-in is 50 in 100,000. Eight times your buy-in is 4,000 in 100,000. Five times your buy-in is 9,534 in 100,000. Three times your buy-in is 22,002 in 100,000.
Yes. All the websites that offer free spin bonuses to win real cash prizes do so after you have a registered an account on their platform. They do so not only because theywant you to register and try their services, but also because they need to make sure you are legally allowed to gamble online.