there was no offer to buy 30% over bitstamp. he got me once for $140. his payment was withdrawn before the BTC was sent. thought after it was withdrawn there was no risk. since the funds were withdrawn paypal decided to snatch the money out of another account money was sent to.
User name sounded familiar, must have been thinking of someone else. Most people who buy and plan to chargeback make it pretty obvious lately by offering "to good to be true" rates.
There will always be risk. If you continue to do this, you should withdraw cash from ATM (if you have the debit card) or transfer to bank account and wait for the transfer to complete. Even then your account would still go negative, closed if not paid and eventually be sent to some collection agency.
So what happened? Credit card chargeback or claimed account was hacked?