I play DD with a very aggressive spread of 1-20 or more.  I play the same casino, rated.  Do not seem to get any heat.  I usually go about twice each month. I get small comps in the mail every month.  Have been a consistent winner, but for small amounts. Should I reduce my spread?  The reason for the big spread is that I see many others doing the same.  They are obvious advantage players.  I hate to reduce my spread and reduce my potential, but I am concerned with how long this will be tolerated.  For obvious reasons, I prefer to keep the location private.  Is this too good to be true or what.  Blackjack heaven?
Also, I am planning a trip to Vegas sometime soon.  From what is posted here I won't be using my usual spread.  If I hit and run, what spread should I be able to get away with?
I am a part-time player.  They won't see me in Vegas more than once or twice a year.  MM