We use ShopSite® Pro 10 sp1 r2 and UPS and USPS for our shipping services. We do not use any of the Shopsite Shipping Rate Calculations (“none” is selected on the shipping screen) and we do not have a custom shipping add on. Everything works great except for occasionally when a customer places a larger order (over 13 oz) and selects First Class mail; we end up having to upgrade to Priority shipping and this can really eat up our margin.
If we are using the USPS shipping services and tables shouldn’t it NOT offer the First Class Mail service if the package weight is over 13 oz? Can anyone help?