You can get combo units that are 24" wide and fit under a countertop so they can go right in a kitchen setting. 

As others have stated, your fit & finish goals should be guided by whether you plan to:1) Rent: tenants don't always take care of a property, so you want to use lower-grade materials and workmanship.2) Flip: higher quality on workmanship and materials is usually required.Regardless, you always want to "Maintain to the Neighborhood".

Yea problem is the cost to retro-fit these buildings into something usefully is usually more than starting new.

We do take many steps to consider whether a tenant will be a good fit for the property.

Feeling anxious is completely normal, but from what you’ve shared, this opportunity seems like a great fit for your goals.Your numbers look solid.

Trusting a GC can work if you thoroughly vet them, use a detailed contract with clear milestones, and establish systems for accountability.

I tried to stay out of the way, but I had to stop several things from being done wrong—spaces between kitchen cabinets that were too small by at least an inch for the appliances to fit, a walk-in pantry being built that was too narrow for anyone but a child to get into.

I have helped Dozens of local and OOS investors buy and sell traditional investments, acquire 'house hacks' and STRs, as well as assist OOS investors with tenant turnovers, getting properties rent ready and placing tenants.Reach out anytime to discuss the KC metro and how it fits into your REI goals of providing generational wealth and eventual financial freedom

I would also say that many real estate salespersons will not be committed to an investor that just tells them to send properties to them that fit their buy box and then never hear from them again. 

In other words, FB marketplace cast offs won't be the best fit unless you're lucky enough to come by some Pottery Barn or West Elm or brands like that.