Hi Paul:
You might have greater success selling your N-FAB steps if you drop the price and/or offer free shipping. I just purchased 2 pair off eBay for $88.68 w/ free shipping and no sales tax. The seller drop-shipped from a SoCal warehouse and they were delivered to my door within 48 hours.
N Fab JPTS32 Universal Rock Rail Black Powder Coated Detachable Step Pair | eBay
Regards,
Woody