Even tough gambling is too risky, but I think gambling is better for me to grow my bitcoin than trading (waiting the price up or down sounds boring for me 
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)You got it lol. And trading can considered a slow type of gambling too so the bottom line here is ; you still gambling while doing trading. Im not rushing to boost my coins but I preferred (as of now) gambling through sports betting than waiting for the price to become roller coaster then do the buy and sell method.