Every strategy will eventually loss because there is such effective strategy for gambling.
You can win big IF your guts meet luck at perfect time.
For example : I'm gamble 0.01 using 0.01% winning chance !
Not generally, there are games that has no house edge, sports betting is one of them.
With your ability to cap games, you'll be profitable in the long run, as long as you know how to do proper bankroll management too.
No one can beat the house, that's only true on games like dice where there is an edge but on skilled based gambling, it's not applicable.