Comps Question

[eggzz]

Will be in Vegas for around a week in July. Looking to bone up some more on Craps, as I haven't played this game too much in past trips.

The question is, if you are regularly playing green chips for pass/don't pass bets and I guess $10-$20 on numbers bets, should you be getting comps for your play?

I have to assume so, but I don't really know how much I am expecting to keep in play in order to get rated.

Also, can I expect to be rated in PaiGow by playing $25 a hand?

Thanks for any help.