Saw a chick from tinder. She's not exactly what she looked like, I'd call her up if I really needed it...

Problem is, since I'm in a league above and we did have a nice conversation (she ate up everything I said), she'll primal be one that tries really hard to make it a relationship type deal. I'm looking just for sex. it's been a few weeks, I wouldn't mind the option I guess since she's boarderline and not annoying.

Do let them know hard beforehand that a relationship isn't happening? What's your play if you're in my shoes?