I have 2 products.
Beef Jerky and a Book.
The Jerky can be shipped first class (2-5) days.
I have a shipping method set up for that.
The book can be shipped Standard (5-7 days) or Express (2-3 days).
I have shipping methods set up for that.
I am using the Table Rates extension to set the rates as item count by class so all flavours of beef jerky are countes as part of the same grouping.
If a customer wants to order both Jerky and a book in the same order, how do I combine the shipping cost? The shipping methods don't overlap (they are shipping from different locations so will always ship separately) and currently I just get all 3 methods as single options.