Newbee here. Please guide me.
Which is more profitable in the long run, Crypto trading or online betting ?
I'll give you a third option, it is less profitable but much safer: Lending. You can do that in both exchanges and gambling sites. Exchanges use the lending money for margin traders, and gambling in their bankrolls for the winners.
Of course the wisest choice is to diversify: divide your capital and try the different choices in parallel. Trading is hard and betting is luck. Have fun!
Hm, I think this is interesting option. But how to choose fair site which will not cheat you? And how much is potential profit of lending?
Well IMO exchanges are pretty safe (Ie. Poloniex and Bitfinex) as far as you trust the exchange... For gambling sites it depends on the site, you'd have to review (or check reviews about) each. As for earnings, think about 4%/year. Variance in gambling sites can make you wait at least a month or more before seeing profits (just like the luck in mining), and you will see constant loses / winnings as the players win and lose. In the long run you will earn, otherwise the site would shutdown (the house cannot always lose!). Again its not much but quite safe, if in doubt just diversify and don't put all your eggs in the same basket, and DO wait a few months once you commit (yes its slow and boring, compared to trading) to see (good) results.