>>60849362 (OP)
betting on black is a 2x
betting on red is a 2x
just go do that 5 times in a casino, there's your 10x. if you add re-bet your winnings each time you only need less than 3 wins in a row to 10x.
maybe some mathfag can explain the odds of hitting in roulette 3 times in a row.
if you're going to gamble with waste time on shitcoins, there are casinos right there with roulette tables waiting for you to 10x and stop working.