It's getting close to that as I have 25 of them running.
I really want to do what you do with your shop-lot fit-outs. But how do you overcome issues of trust? And local mafia types?
My house is full of rigs with nowhere to expand ;(
Just be glad you're electric is cheap enough to warrant you maxing out your house.
I had to move into a warehouse because electric was just absurd @ $0.32/Kw/hr
Now that you're maxed out, you can actually decide to expand to a second location or not to. But you have choices buddy, you've got good choices.