Very-impressive, all those floor layout drawings! I like the use of color, it seems more-important vs. a black & white rendering. I envy those of you who have lots of space/room. A 2-car is pretty-crowded, but it's better than no room.
Why don't you make a compressor 'phone booth' on the outside? Frees-up space, lowers noise, and cuts-back on the earplug line-item in the shop budget.
I like your shop first aid supplies, you look well prepared. I see some Elastoplast cloth tape, that stuff is great, it sticks to itself well and if you wrap it tight, it can serve as a compressive bandage. When dealing with the 'bleeders' on EMS calls at the fire dept, I usually reached-for the Elastoplast.
Another good item to have is a 'multi-trauma dressing,' a thick multiple-layer sterile dressing slightly-smaller than a hand towel. You'll know when it's time to need it. That and a full roll of Elastoplast, and you should be able to take care of most "oh-sh_t!" moments. I'm speaking of the ones that you know will require a trip to the E.R.
It almost seems like it isn't a 'real' project unless you smear a bit of red somewhere, hopefully, it's just an abrasion and not a trip to the E.R. that provides you with the blood.
For demo work like you were doing w/the Sawzall, I have a Sawzall, but I bought a Porter-Cable Tiger Saw because you can articulate the nose of the saw into many different configurations courtesy of a couple of adjustable joints in it. It's been very handy and it paid for itself on the first job where it was used.
https://www.amazon.com/PORTER-CABLE-9750-Tiger-Reciprocating-Variable/product-reviews/B0000ASDMK
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