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?
Trade honorably and honestly. Stop being a scammer.
PayPal is not an escrow service and they don't always protect those who send or pay first. Their fraud protection policies only apply to those which allow payments to be disputed or charged back.
Scammers exploit this by either using MITM to buy bitcoins at the expense of those who pay by PayPal (so essentially the scammer doesn't lose a single cent, even if the payment is later disputed) or by quickly spending the funds before a dispute is opened.
If you are not a scammer, you will send your coins to a trusted escrow on this forum who will confirm they do have the bitcoins and then (and only then) will a buyer send the PayPal payment. I'm expecting you to be unhappy about this suggestion. Why? Because there are no coins to be escrowed. Am I right.. or am I right? (no option for being wrong here!)
If my assumption is wrong, prove it by engaging a trusted escrow here and trading as I suggested above. I will then apologize and retract this post.