I only play BJ, but as far as I can tell, online replicates my experience at B&Ms almost hand for hand. Horrible losing streaks and insane winning tears.
After years of playing at both, I've tossed all systems or strategies such as laddering your bets, counting cards etc. etc.
The ONLY way I win is what I call "guerilla warfare" betting:
1$/1$/2$/1$/5$/1$..WHAM 150$
, 1$/2$/1$/20$/1$...WHAM! 75$
....well, you get the idea. Add to that playing against the book at times.
Just like everything else, sometimes it works, sometimes not.
I've gotta say though, RTG casinos are quick to say that they have no control over the games. Bullshit. RealTime Gaming advertises it! "The Most Profitable Online Casino Solution!!" Recently, I was on a tear and the casino whacked my table limits from 1-250 down to 1-50. WTF is that, if not "control" over games?
I'm well aware of the risks involved in any type of gambling without smoke being blown up my ass so I don't ask any questions
These are just observations. I don't really give a shit. To sum up: I win or I lose. JUST like at B&Ms.