Lack of experience isnt necessarily a problem so long as the competence is clearly there and there are healthy margins of safety in the deal. 

A well-timed, well-explained increase can keep your property healthy without putting your tenant relationships at risk.One of the ways we stay on top of it is to offer detailed rent reviews and market evaluations for all our clients, so they can be sure where their rents stand—if you're concerned about how to navigate an increase—you may want to talk to a local property manager who has their fingers on the pulse of the market.

I did a 15 year on an investment property - most will say do 30 and pay extra, its really a personal decision - if you are financially healthy and have very little risk with the extra payment you get a lower rate so go 20 years, but just recognize that equity is typically trapped in the property.

What happens if they can't clean for one of your turnovers?

In this environment, Id be shocked to see that kind of leverage unless you have decades of direct experience in that industry combined with a high tangible net worth and a healthy DSCR on the acquired business, similar to what Don was saying.

A few thoughts based on your questions:Active vs. passive income for STRs:STR income can often be treated as active if the average guest stay is 7 days or less and you materially participate (which you already do, based on your involvement in cleaning, minor repairs, etc.).

My first choice owns healthy investments and helps me follow suit. 

As I continue to gain knowledge through the BP forums, podcasts, books, and various seasoned investors, my goal is to create a healthy long term buy & hold portfolio through the BRRRR strategy.

My brokerage is actually partnering with them soon, and it might be a great way to rent by the room while benefiting from more structure and less turnover than Airbnb.Renting 3 rooms in your new home: Be clear with house rules up front (quiet hours, shared space use, cleaning duties), use written agreements, and try to screen tenants like you would for a standard rental.

It definitely helps scaling in real estate to have healthy cash reserves and a good understanding and respect for leverage.