(ad:) Hardware Store Liquidation, Decatur AL, **December 2022** - Shelving, several heights, 16" or 22" base deck!!  paint shakers, widespan racks and MUCH MORE!!! (click here)

Little Rock, Fort Smith, Jonesboro AR

Fayetteville:
The Place Store Fixtures and Pallet Racking (website) (used shelving dealer)

Bentonville:
L.A. Darling Company - (website)
     (New Only Manufacturer)
     (owned by Marmon Holdings/Berkshire Hathaway)
If all pricing is even close, try to give your business to the only local dealer in Fayetteville ("The place").  Support this small business; they will be there in 3 months if you need help or parts.

Check this directory for nearby states. 
Arkansas is very well located to receive shipment from out of state.
The close proximity to Dallas will make it a good place to look.  Texas will have a huge market with the presence of major shelving dealers and liquidators.

Locals from Fayetteville are closer to Oklahoma City and should check there for liquidations.
Try checking these states:

Texas

Missouri

Georgia