Your cashflow to achieve $80,000 per year takes a lot of rental units.  

For example in many jurisdictions I can STR units in a duplex but cannot STR an ADU (some jurisdictions will let you STR if you owner occupy).

A Surge in SupplyCharlotte’s rental market saw a notable influx of new units in late 2024, with several large developments hitting the market simultaneously.

You'll find your ceiling where people snag your unit and are happy versus it sitting empty.  

@Pat Aboukhaled I would ULS (unit lot segment) the primary house and include a clause in the call option that would prevent them acquiring the DADU.

I put the odds at 97% an investor does very well, 2% that through no fault of Praxis' the housing market and/or the economy enter a tail-spin due to inept political leadership at the highest levels, and 1% that Brian is the biggest fraud ever to fool me. 

I understand you don't need a lot of space, but you are paying someone else's mortgage.I would start with a fixer-upper investment, up to four units.

Everyone associated with living there and/or paying for the unit goes on the lease.

Ask how many units they manage and how much experience they have.

You will learn the time and effort required of managing such a unit.