Seller asked for PayPal fees after the sale. Should I pay them or not?

jea48: 
I was not pleased with the seller but it being my first transaction on Audiogon and the fact that the seller already had my agreed upon payment I went ahead and paid his ransom(extortion).

This happened to me on my first deal here on Audiogon. I was disappointed at the lack of integrity by the seller but since I had already made payment I paid his ransom payment. The seller's Audiogon account was later discontinued by Audiogon for some other nonintegrous behaviour with another member.
All fees should be disclosed upfront. If the seller didn't mention the fee in his ad it should not be your responsibility.

Jea48:
I had already paid the agreed price for the item. The seller then required for me to pay the PayPal fee before he shipped the item out.