You shouldn't try it with Bitcoin
I tried that in 2015, and failed miserably losing 1.5 BTC (worth around 500 dollars back then). The only way you can successfully use this strategy is by playing with doges, and starting with the minimum bet at that
Really simple, isn't it?
You earn by enjoying the variance which randomness readily makes available to you due to its nature. You may not see a lot of outliers (since they are statistical outliers, after all, and thus not supposed to be seen too often), but their power is incredible. So as long as you use it wisely and with caution whenever you can (as not every casino allows it), you will be able to beat the house consistently
There are a lot of people now use trading as a source of income because they know they will earn on it. But most of the traders do not have enough knowledge of what is happening in the market, and this can be the reason why they lose their trades. Not all beginners lose their first trade; thus, it helps them to improve their trades and use this as a guide to succeed. Those people who already got a lot of income by using cryptocurrency now focuses on trading because they know they can earn more than their salary on work.