Prep Center Index: Free Snapshot
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The top prep centers in four no-sales-tax states, on two pages
The free snapshot lists the top four FBA prep centers in each of Oregon, Montana, New Hampshire and Delaware, scored one way for online arbitrage sellers. For each center: the score out of 100, prep cost per unit at 300 units a month, how easy it is to get into, and what changes at 500 units. Fees a center does not publish are marked, never guessed.
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What the full Index adds
The snapshot uses our default weights and a standard order. The full Prep Center Index covers all 59 centers, lets you enter your own volume, product mix and weights, and prints a shortlist with full fee tables, the questions to ask each center and the source behind every number. See the full Prep Center Index.
Data date
Prices and terms as of October 4, 2026. Pricing, minimums, and turnaround were read from each center's website or a public directory on the date shown next to each center. Centers change rates, plans, and ownership without notice. Confirm directly before you ship your first box.
Scores are computed from the published data file using a fixed rubric. Six factors, 100 points at the default weights: prep cost on a standard order (30), turnaround (20), access for a newer seller (20), fee transparency (15), Google reputation (10) and OA operations fit (5). The default weights reflect how we coach: prep cost on a standard order, turnaround, and access for a newer seller carry most of the weight. The full Prep Center Index lets you change them. Differences under 3 points are not meaningful. A center with a dashed bar has an unverified base rate; its score is capped until we confirm it.
