1:1 rate from a newbie with this as his/her first post? Nah. Even if you are offering 1:1.2 no one in the right mind will accept your paypal money, 99.9% you will just do chargeback once you get the bitcoins
Even if 100% of Paypal -> btc transactions were reversible, far fewer than 999 out of 1000 people would screw someone over like that. I know I wouldn't, but of course, you don't know that. Maybe I'm a very unimaginative criminal, and $36 is the biggest number I could wrap my head around. Maybe I'm just a stickler for details, and that's why I would be especially concerned over exchange rates on a transaction that was going to be reversed. In any case, I wonder if your speculations merited a response at all. Maybe it's some kind of complex? Who knows, let's speculate on more interesting stuff...
Dude_