The permits and architecture was done prior to start.).For most people the finances are the limitation to scale.  

It wasn’t a massive deal—our expected assignment fee was $10,000—but when you’re growing a business, every opportunity matters.Everything seemed to be moving smoothly until the title search revealed a major roadblock: the mortgage discharge couldn’t be cleared because the person who needed to sign off was deceased.

The "Set it and forget it" mentality, I think, will limit your listing big time.I do all of the pricing across multiple listings. 

But if you are getting anxious just reading a book, then being a landlord is not your cup of tea. 

I'm sorry, but that's not true.

Sounds like an easily executable deal from what you've stated but likely need more color to offer path forward, terms, etc.

If you ever decided to sell the building but keep operating the business, it makes it much easier.

It's no guarantee but it's a good place to start.

If you have your mom live there without any rental income, it is not considered held for investment but is rather held as a second home and does not qualify for 1031 Exchange treatment. 

You have to put 5% down vs 3.5% down, rates are usually higher, but if you have strong credit, your PMI cost can be cheaper than that of FHA loans.