Location – of the relevant prep center
Tax Free –  retailers tax based on shipping location. If you ship to a fulfillment center in Alaska, Delaware, Montana, New Hampshire or Oregon; your order can be tax free.
Prep Time – From the time the item arrives in their warehouse, this is how long it takes to prep your order and get it out the door to Amazon
Wholesale – Where the prep center has the capacity to accept large wholesale orders on pallets.
Imports – Accepts shipments direct from the manufacturer. Many times from overseas.
Online Arbitrage – Accepts shipments for online arbitrage retailers.