3am and can't sleep so it's

and forum time!
A lot of great ideas guys, thanks and keep them coming
I wanted to build a pole barn building but the current price of lumber is stupid. I was able to a metal building fully erected and insulated for the cost of the material for a pole barn. I opted to upgrade everything on the structure, 12g frame, 26g walls / roof, vertical walls / roof, etc... There will be a 12' lean-to on the backside to house the tractor, the Rhino (Yes I still have one LOL), and lawn equipment. Two roll up 10'x9' doors. I already have a 18'x50' shelter for the toy hauler so don't need to be able to put it the garage.
Where it's going right now I have a 12'x28' shed with 100A service using 1/0. I can reuse this and do a 125A or 150A panel which should do what I need. If I go to a 200A panel I would need to run new wire. I need to do some load calculations to make the call to upgrade service or not. I do all my own electrical work so I'll put all the various drops where needed.
4" Monolithic slab with exterior 1'x1' footers - 6" thick runners for a lift. The slab will be 2' larger all around than the building. The interior walls and ceiling will be corrugated tin with exposed conduit for an industrial look. Built-in steel benches with 2"x2" frame with 16g tops with slat wallboard mounted above and diamond plate cabinets.
Undecided on adding water plumbing or not because I'd have to tie into the septic system with a lift station. My county is stupid with the building codes and red tape so not sure I want to go down that road. Still pondering that one.
Already planned:
Insulated walls & roof
Epoxy floors with fluorescent flakes
2 post lift
3T Package HP - spiral duct inside
External enclosure for the air compressor
LED lighting (not sure type of fixtures yet)
Awning over the door
Exterior lighting
Cameras
Mini bar with fridge and 50" LED TV
Bead blast cabinet
Welder station
Exhaust system
Hydraulic press
Lathe / milling machine setup
Sheet metal press / brake
Powder coat oven
On the "want" list"
Radiant floor heat
in-ground safe storage