Paypal works like an escrow here!
You send me paypal and then i send you bitcoins. If i dont send nothing, you can just open a dispute and you have your money back.
If i send first but then you dont send me paypal, how can i have my bitcoins back?
Lol that scam is so old and played out. You receive the money then immediately move it to another account or it's a man in the middle scheme. Either way Literally no one here will send you first.