Also what "additional security questions and verifications will be asked" since the payment is made before shipping?
You are forgetting that 3.5% goes to PayPal, £75 to eBay and plus Import Tax... let's not forget the exchange rate is higher when sending via wire transfer... I need to make something for my troubles too.
Additional security verification to confirm your confirmed PayPal address and ID just displaying the full name (ID number and date of birth can be covered). This would cover me for possible charge back, and the user is covered by money back from eBay.