OK, so I may be a bit late for this topic but I don't pay anything extra for shipping my packages. I just use Paypal - ship now. Its no fees your information is already populated, you jut have to populate the buyers info.
Here is the link
http://tinyurl.com/bopc375 ***Its safe to copy and paste****You have to log into paypal and then enter the data.
I think they are trying to move customers away from this and use there shipping software, however, with low volume I find this easier.
You can print, first class, International, Priority and media mail. I can't figure out why they don't do regional.