Saving a payment method does not create an unlimited authorization. K-Shippify can use it only within the accepted categories, triggers, calculations, and thresholds shown in the relevant flow.
- Goods/order: within +10% of a fresh USD estimate snapshot.
- Final shipping: within the stricter of 15% or USD 10 over the estimate.
- Paid storage: after the free storage window, where the paid-storage category was accepted.