Hi Kwok,From my experience, it's really common to have to expand your search for comps, either by looking for more than 6 months back or by going more than a mile out.

He is supposed to go public sometime. yep the set employment tax Ill have to look at , I would max out the best I can with the income and age 65 and over contribution to a roth .

In STR common markets like Gatlinburg this naturally adjusts itself as most homes are STRs so the entire market lifts to meet their cap rates, and they appraise on those cap rates in spirit, even if not technically. 

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A real estate business is not different then any other self employment income.

Having full-time employment is what makes you lendable.

I'm located near Great Falls in central Montana.I have been self-employed for about 4 years and love what I do, so my goal is to build total wealth long-term, not to maximize cash flow for FIRE/financial freedom in the near-term.

:) )4) Do you heat/ air condition the common area?

The detectors simply need a common wire such that one goes of, all go off. 

Population is growing and the job market is strong (major employers developing like Intel, Amazon, Meta, etc.)