You remind me of a former poster here.
Anyway, yes, those are drawbacks of off-shore betting. Also, they may cancel bets as "mistakes" if you catch them napping on a line. I'm probably more vulnerable to that.
This is my slow season as I'm not adept at beating MLB. Year-to-date, I've been leaning disproportionately into the Nevada-legal books, but I plan to make another run at the off-shores around August as NFL activates.