Handling Fees
Setting flat or percentage-based handling fees on individual products or categories, and how those fees combine with shipping and subscription renewals.
Handling Fees Overview
How handling fees work: four calculation methods per category, how they combine with shipping rates, and how they apply to subscription renewals and custom shipping code.
Add a Handling Fee to a Category
How to set a handling fee on a product category — flat fee per shipment, per product, or a percentage of price — and how it combines with other shipping costs.