Why are you debating? This person (and an accomplice?) is ripping people off.
However I'd never use Paypal for something more than £20. Paypal are renowned for not protecting their honest users and doing nothing about dishonest users.
As long as an advert is on Amibench, more people will get ripped off.
Now if you had an address for this person, a few balaclavas, a return flight ticket and a crowbar ...