SpaceX long-term stage processing goal = 48 hour turnaround

[Paul_G]

The only reused F9 (not FH) to go back through McGregor was 1021

Then that buffer stock holding area just got smaller. 

I thought SpaceX had acquired the rights to use the old SpaceHab facility at Port Canaveral to refurbish, and store cores. That could be the buffer you are looking for.