All you have to do is select your zip, and your delivery options are listed with costs for each. Too few and far between are these setups. Paypal, from a consumer standpoint, I am very leery of using. You have nowhere near the protection of a normal credit card purchase. I would have made several ebay purchases had the seller offered more than just a paypal option.
Paypal accounts seem to be a major target for hackers as well.
I'll stick with my VISA, thanky. Drastic, it could depend on the total dollar amount and number of transactions, deciding which method to use. But in my particular case, right now, it's more convenient and cost-effective this way. I sent out a bill Sunday night, and had the payment by Monday morning. The amount of billing I do this way, as opposed to the checks sent by mail, doesn't warrant anything else.