A few thoughts on what you said:
Do you have an alternate recommendation? Part of the appeal here is the built-in cruising nature. I like the idea of there being some indication of easy, slutty sex and someone deciding to come in... kind of like a bathhouse, but easier access to people responding to an ad.
It's probably obvious, I'd love to leave the door cracked. However, I don't relish getting arrested... maybe just enough of the curtains cracked? Sign on the door saying "Let's have fun, just knock"? Trying to think here - I really love the idea of some of the seedier element just banging my hole.
The tip on violence is good, thank you. I won't be blindfolded, exactly for the reasons you mention. I am also not actually staying at the hotel - I'm at a different one in the city. I would be using this as just a hookup pad, so the amount of belongings I will have with me will be minimal. This is more of the "prevent temptation to do something" line.
I really do appreciate your tips, and of course if you want to swing by, maybe this can turn into a full-blown sex pile.