Rarely do parlays... straight bets... I've learn to Make money off -130 to -160 bets...be smart, do research from 2-3 sources and stick to the bankroll management sounds Boring but it's really mental discipline.
I'm learning how to be more exploitative when it comes to these Books. Arbitrage betting is what I'm focusing more on. Gotta have funds in many different books in order to pounce on the bookies mistakes. I have seen a Arb play that was -3.6% hold ( make $3.6 guarantee using $100) when you find qualified bets on different books. Gotta be quick cuz the books will quickly adjust those damn lines. There's Arbitrage betting sites that will point out some minus handles....