The triplex is rented and bank is selling as-is without no showings of inside of building and have asked not to disturb tenants that's why I was thinking they may entertain a lot less as it's very risky to take on, my estimation on rehab is purely cosmetic and I used it for calculation purposes as I do not know the inside of the property which I think is very risky ...When looking to do the refi on a BRR - particularly a triplex is it best to go with a commercial lender? 

She will be having a baby soon and will need a bigger place, and due to the baby they want a single family for fear of baby making too much noise and disturbing other tenants..I hate to lose these tenants as they are really "all star tenants" that don't come along very often.

When the material is broken, fraying (friable) or must be disturbed, then it becomes a bigger issue. 

I’ve been debating giving this a try but the overwhelming response to avoid is disturbing. 

I am new in this career but my goal is to have multiple streams of income because I like to stay excited and busy. That being said I will be finishing up my degree in peace and conflict studies in just over a year.  I...

That only seems to indicate loud noises disturbing other tenants would fall under that definition. 

No sense in disturbing tenants unless the buyer is serious!

The article does bring up a disturbing thing though. 

Please do not disturb the occupant.

Reason being is my zoning only allows for short-term mining (~6months) and with it already established vs starting new and disturbing more ground.