All depends really on if you are using buckets or tubing. If full vacuum setup you are basically leasing the land. So I’ve seen prices at 4$ per tap and higher and as low as 2$ per tap. I looked into it a couple years ago. But decided not to go that route.
600 taps on vacuum
Lapierre mechanical Releaser
CDL electric releaser
2.5 x 10 CDL Venturi ( new for the 2024 season )
Home made modulating auto draw off
Homemade RO 2 x 4" membranes
CDL 16 x 16 bottler
Wesfab 7" filter press
Delaval 73 vacuum pumps
12 hives of bees