Sharing access through co-hosting is a common approach that allows the PM to perform their duties while you maintain control over the listing and its reviews.

The IRS expects your cost seg report to be "factually intensive", "supported by corroborating evidence" and performed by a "qualified individual.”

You can type in the properties address and it pulls data from airbnb and other short term site to give you from what I've read a pretty accurate estimation of Occupancy rates and income.

Biggest clauses are: who's responsible for what, what are the penalties if someone doesn't perform their duties (including forcing them out) and what happens if one party wants out and the others don't.BTW: your brother should do this with his new girlfriend BEFORE paying part of her mortgage!

Also, with the shift toward focusing on cash flow, are there any specific markets or types of properties you’re seeing that perform well, despite the challenges?

They are usually outdated and not always accurate.

They are not actually accurate for your situation.How can you avoid this?

For accurate info on the property, you have to sort through public records straight from the auditors page and every county's page is different. 

It is very common in the investment advisor space. for example, if I find an investment advisor and want to know how his client's portfolio has performed last 3 years they do not make that  information up, its verified. 

Thanks, That's so accurate. reading at all this advice.