If you have to use paypal
The biggest scam out right now using Paypal is as a follows.
If you are the seller, Only ship your product to the verified Paypal address.
There have been many scammers out there that have hacked others PP accounts. They will give you some story, like I am out of town right now, or I have moved, or It is a gift, can you ship it there....
Don't do it. You will not be covered and you will be out your item and paypal will yank the funds from your account.