The 2026 last days to ship with UPS, FedEx and USPS for delivery by Dec. 24, plus when inventory and kit orders need to reach your 3PL.

Kitting costs $0.25 to $1.50 per kit for most builds. See what drives the price, real rate ranges, what a quote should include, and a free calculator.

Receiving, storage, pick and pack, shipping and returns: how 3PL pricing works, a worked example for 1,000 orders a month, and the fees to ask about before you sign.