Kitchen has custom Cabinets, Stainless Steel appliances including Gas range with pot filler, tile backsplash and leathered marble countertops.

have you gotten any quotes for metal/steel ? 

Gambling is short-term speculative play; that's flipping,  that's Vegas slots, sports betting.

I suppose we would see granite workbenches and stainless steel table saws appear on the market so you could sit one next to your living room and feel good about it.

@Derek Morrison I list “typical qualifications” in my rental listing then have a specific email response to inquiries that again lists my “typical qualifications,” along with an attached application form, that if they meet those, they can request appt x day for 20-minute time slot, and I only accept applications after meeting them at the appointment.

Legally it makes no more sense to allow this than to allow your neighbor to build a steel mill or a Hilton. 

Even steel pipes last only about 60 years before you have to re-plumb an entire house.2.)

I’m seeing that some investors advocate for higher end materials when you can-granite counters, stainless steel appliances, tile bathroom.

Since he's such a nice person, I'd put a few steel storage containers there so he can admire them.  

The pros is it's got a great exterior with steel siding and a new roof. also has a 1200 sqft shop that is insulated.