Quoted from flecom:don't mean to be a pain but you realize charging a fee for using paypal is against their TOS?
https://www.paypal.com/webapps/mpp/ua/useragreement-full?country.x=US&locale.x=en_US
section 4
So what's the difference between him bumping the base price and collecting it off everyone for every purchase, or calling it a "fee"?