They should have changed their business model to match their business setup
#1 order on line for parts
#2 pickup in store using their existing delivery network to "ship for free"
They could have had 1 week delivery. Essentially 1 or 2 days for most places near a distribution center. They had weekly or 2x weekly shipments.
Rather than a limited in store inventory. That
a) frees up store space
b) reduced individual store inventory
c) gets a much wider array of parts
d) drives foot traffic