Originally Posted by bgriff

Slot comps are typically earned on a fixed % of dollars bet (so if you make 10 $2 bets, you have bet $20, regardless of how fast you do it). Some casinos are quite forthcoming about their % return on slot bets, though Borgata isn't one of them -- I would guess about 1%, but you could also just do a controlled test one day and see what happens. (Note that if you start at $0 comp dollar balance, nothing will show up in your account until you earn at least $5, so factor that into your test.) The 1% may also be "shared" between comp dollars and slot dollars which could mean comp dollars on their own are less than 1%. Video poker will earn at a slower rate than slots, often about 1/3 or 1/4 the rate.

But, if you and your wife typically go to the Borgata together, it definitely makes sense to pool onto one card, since you'll get proportionally higher benefits being on one account than split over two. I believe this is all on the up-and-up with Borgata as well; I have definitely seen married couples put both players on one card at table games, for example.