Aloha,I have not seen the BP spreadsheet, but here is a link to a several useful Annual Property Operating Data sheets for determining critical values:https://rpoaonline.org/annual-...

I know it's not truly an apples to apples comparison but where interest rates are at, having roommates is critical to supplementing the mortgage and lowering your living expense. 

People will always be ready to criticize you when your plans don't fit their idea of what someone "should" do.

They will not look critically at their own process for their errors or omissions. 

Here is where it is critical to know the history of the seller extremely well prior to beginning any negotiations.

This is critical since it is presumptuous of the IRS to consider rental activities not requiring day-to-day involvement.Spouse Participation: Remember, your material participation in an activity includes your spouse's material participation.

Too much over thinking and critical assessment.

The original poster criticized AirBnB for not being helpful -- as if a national company would have up-to-date information on every town in America and risk liability by giving wrong answers.

It is critical to have a clear understanding of the sewer/septic and water source/conditions.

To my first point, a good property manager is critical.