Even with my former partner (who was our 'PM / GC' on site for our projects), it was sometimes tough navigating the process, managing budgets and costs, and keeping everyone in line, including him. 

My process involves two steps.

Just document the current condition before the cleanup process and follow any other local law or procedure that is in your municipality. 

It's the simplest way and walks them through the entire STR process.

Very, very successful.I sent out beige "invitation" envelopes and "hand written" letters (used a computer with a "hand written font" for months - about 200 a week - lots of calls - bought some properties, over all successful but time consumingThis is over the years, so messages changed with the real estate climate and list.List, message, mailing piece.

This ensures that any payout for damage or liability can be processed more smoothly, and it can help protect your interests if something happens on the property. 

Being able to visit properties, oversee rehab projects, and manage your team is crucial for successful investment.Ultimately, there's much to consider beyond the initial purchase and rehab.

I'm in the same process and have the same question.

What I can say is that many physician + spouse combos have successfully done this and survived audits. 

Due to item 1, adding an ADU can require years to start achieving any return (once the accumulated cash flow recovers the initial negative position).4) Adding an ADU is a slow process.