Does anyone use Priority Mail? How do you set up your shipping?
I've been trying to do the "case c" method, but it's not adding any shipping at all.
Basically, anything you ship from 0-16 oz costs $4.60, so I know how much my products weigh, and I'm trying to set it up based on the item count. So, 0-10 items cost $4.60, 10-20 cost $9.20, etc.
I'm using variants for my items - does this make a difference in setting up the shipping?