eBay

Does eBay have a payment service similar to Paypal or are there other ones that eBay allows us to use with our businesses?

As a Seller, I am curious how eBay math works when it comes to shipping charges using eBay shipping. For instance, the buyer's actual shipping is $1.20, the sellers handling costs are $1.12, bringing it to a total of $2.32 which the buyer did, in fac...