I had a paypal account and some advice, never send a purchase to any address other than the one on the paypal slip. Paypal will never protect the seller only the buyer. I know from experence because with each charge back paypal would ask for tracking # etc which I would supply and they still allowed the charge back. To clarify this please go to "Paypalsucks" as its full of HORROR stories.
Seller Protection Policy is designed to provide full coverage against "item not received" chargebacks. The conditions for SPP include shipping tangible goods to the address provided for the purchase, and using online tracking for the package.
This does not necessarily leave you unprotected in other cases; however, the best options for preventing chargebacks are to establish a good relationship with your customers and to respond quickly to any buyer complaint notices from PayPal.
PayPal discourages buyers from filing chargebacks with their credit card company without first attempting resolution through the PayPal Buyer Complaint process. PayPal also fights chargebacks on behalf of merchants, but needs you to respond to requests for information in a timely manner to help them win those disputes.