This point of view is of course from purely an mathematical investment standpoint there are however other indirect factors that are hard to put on paper as well, the walls may help you rent the units faster (less vacancy = + cashflow), they may help you show the units better (better quality Tenant = less headaches, less turnover  = more cashflow), they may also add to your ongoing costs since panels do last longer whereas drywall tends to get 'holes' punched in it every now and then.

While you'll have to tell the bank it's purely a gift, you can work out a repayment plan if you'd like.

That's why most headlines can be considered pure click-bait these days.

So basically it's not a pure analysis of STRs vs other asset classes but more like traditional residential real estate investments whether long term buy and holds or true STRs.

It has to make money to cover repairs and pay me… and incase that confuses someone by what I’m saying, what I mean is if I put $20,000 in an investment between down payment and fees I’d want to see Atleast $1,200 - $4,000 in pure profit after mortgage, management, expenses etc etc ..

Purchasing a multifamily property in which you intend to live in is likely going to be a different set of criteria versus one that is purely intended for cash flow.

I would think of it more as buying a vacation house for myself that's subsidized by the renters rather than a pure investment that has to cash flow.

I recommend you never give those so i will assume the $700 is pure profit.  

Does anyone know if the city or county has issues with adding an ADU if it's is purely and investment property?'

Has anyone successfully filed an tax return as a Real Estate Professional while managing a purely NNN portfolio?