What are fulfillment costs? (And why your number is probably wrong)

E-commerce Operations What are fulfillment costs? (And why your number is probably wrong) Most operators track shipping, pick-and-pack, and storage. That covers about 60% of the picture. The rest (3PL billing errors, carrier routing drift, unrecovered SLA breaches, dimensional weight overcharges) compounds month after month before it shows up anywhere visible. Instirio Team · E-commerce … Read more

Hidden cost per order: what your P&L is missing, and how much it

E-commerce Operations Hidden cost per order: what your P&L is missing, and how much it costs you. Most e-commerce operators undercount their real cost per order by 20–40%. For a store running 2,000–5,000 orders a month, that gap is $50,000 to $125,000+ a year — invisible on the P&L because the costs live across five … Read more

Hidden Costs Make 62% of E-commerce SKUs Unprofitable

E-commerce Operations Hidden costs make 62% of e-commerce SKUs unprofitable. Blended margin accounting hides which products are losing money after returns, fulfillment, and carrier costs are loaded in. Most stores are optimising the wrong number. Instirio Team · E-commerce operations · 6 min read · July 2026 In short 162% of e-commerce SKUs lose money … Read more