Anybody with experience using GearPay?

[alfsauve]

Am getting ready to list a firearm on GunBroker and was thinking about using GearPay as a method of payment.

Anybody have experience from seller or buyer perspective? 

How easy is it for a first time buyer to use it to pay me with credit card?

Alf

[Colt Match Target Woodsman, 2nd series, 1950, if you must know]