This is quite an old style of foundation and in case you are not familiar it's like this, except the one I'm looking at has tree trunk (blocks) instead of cement blocks as shown below:The layout I'm working on looks something like this and I'm I've spoken with a number of structural engineers and gotten different answers from each one.

After reading all of his books, listening to all of his podcasts, attending a couple seminars, watching dang near any YouTube video I can find on him, and playing his CashFlow game over and over he has cemented in to my brain that assets pay for my liabilities and that cash flow is king.

Hi Percy,I do not have a good photo to post at the moment (I'll be back out there later in the week), but there are 3 flights of stone steps (around 4 steps each), 3 sets of wood steps (about 10 steps each), 10 sq. ft. of associated decking/porch area that would need to be cleared for ingress/egress, and around 100 feet of your typical width stone and cement walkways that run to the various entry points for each unit - the entrances are somewhat spread out, which is good and bad (bad for snow removal). 

The siding was in need of major paint removal and repair, the foundation needed to be put on cement piers instead of wood, the kitchen and baths were totally gutted and replaced with new cabinets, granite, stainless steel appliances, you get the idea.

I'm currently finishing my rehab on a property hoping to complete BRRRR on it and have saved money on the side from my profession as a pediatric dentist.

If you pick medical plazas then you need to develop channels to “new” dentists, chiro, foot, etc.  

The alternative is having the material be a part of the bid, which tends to be padded and unless you are very, very clear they will go the cheap route, i.e. cement/wonder board is ideal in baths, but greenboard is acceptable. 

My opinion is that only cement board should be used.

My point is simply this, dentist love real estate for their practices because they still the economic benefit. 

With a cost segregation study, the depreciation was accelerated from $2,488 to over $1M in year one.Have you considered a cost segregation study for your medical office, multi-use property, storage-facility, office building, retail space, industrial site, car dealership, dentist office, winery, etc.?