Blog
Address validation, failed deliveries, and shipping costs, written for Shopify merchants.
June 23, 2026 · Marc Hendricks
Shop Pay & Apple Pay Ship to the Wrong Address
Shop Pay, Apple Pay, and PayPal ship to a saved address the buyer never re-checks. A wallet-by-wallet guide to why express checkout gets it wrong, and the fix.
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June 15, 2026 · Marc Hendricks
USPS Insufficient Address on Shopify
What USPS "insufficient address" means, why a correct-looking address still bounces, what to do with the returned Shopify order, and how to stop the next one.
June 13, 2026 · Marc Hendricks
How to Block PO Boxes on Shopify (No Plus)
Block PO boxes on Shopify on any plan. Shopify's native blocker is Plus-only, but an app's validation Function blocks at checkout on every plan and wallet.
June 10, 2026 · Marc Hendricks
Package Returned to Sender on Shopify
Package returned to sender? Who pays, how USPS/UPS/FedEx differ, the exact reship steps in Shopify, a policy template, and how to stop the next one.
June 9, 2026 · Marc Hendricks
The Apartment Number Shopify Can't Catch
A missing apartment number is a top preventable failed delivery, and a 'valid' address Shopify never flags. Why it happens at checkout and how to catch it.
June 6, 2026 · Marc Hendricks
Wrong Address, Who Pays? We Did the Math
Customer entered the wrong shipping address? No law makes you refund it. The policy template, the chargeback evidence, and the reship-or-refund math.
June 5, 2026 · Marc Hendricks
UPS & FedEx Address Correction Fees 2026
UPS charges $25.25 and FedEx $25.50 per address correction in 2026. Where the fee hides on your Shopify bills, how to dispute it, and how to stop it.
June 4, 2026 · Marc Hendricks
Failed Delivery Costs 2026: We Did the Math
A failed delivery costs $15 to $40 before churn. See the 2026 UPS, FedEx, and USPS fees, why addresses fail, and how Shopify merchants prevent it.