I also did my first house hack it was a 4 unit though but around that same period with a cashout refi brrr in 2020.

OP the option period is just your due diligence period. in Texas its common to put up 100.00 non refundable for a 2 week option.. if you dont like it you back out and lose your 100.00

After that period, I definitely did not want to get into the cleaning business.

However, if you’re unsure about future property values due to the unique nature of the property, this could pose more risk.What You May Not Be Considering:Financing Flexibility: Using a HELOC for repairs is a solid plan, but make sure the loan terms are favorable and the rates are manageable over time, especially with interest rates fluctuating.Vacancy and Maintenance Costs: Once all units are rented, factor in potential vacancy periods and ongoing maintenance costs, especially with multiple units.In conclusion, while the repairs are a big expense, the strong rental income potential suggests it could be a good deal if you manage the rehab costs well.

Managing Property during extended periods of vacancy: FREEI think the rate is better than a few PMs I talked years before. 

They get free rent/all utilities paid and I pay mine a $500 month stipend after an initial 6 month trial period.

Does the use of the property as a personal residence by person A and the limited rental period affect the capital gains in any way?

It can be a real balancing act.If you go the full MTR, reach out to the school and make sure they know you have a nice place for visiting professors, doctors, nurses etc who are there for an extended stay. 20k is a decent sized school so you might be able to fill up just on that.

Seems extremely reliable and you have a 30 day trial period.

.-- Expect a grace period of two months once the new regulations are enacted into law.