you might have to basically take the entire interior down to the studs, perform mold remediation, reinsulate, new drywall, new wiring etc.  30k might not cover it.My contractors would determine to the cost to repair (including concealed damage) and I would add $30k profit to compensate for the added work of repairing it (although, having an entire entire new interior would be compensation enough). 

They aren’t - they are a cost you incur and how you elect to determine what to charge the guest is a separate thing.

A customer of mine mentioned she is selling off all of her properties as she is 80 and looking to enjoy the rest of her life task free. 
My wife and I are going  to look at one of those properties this week but don't...

Your method of determining ARV4.

A 1099 is just a report to the IRS, it does not determine if the amount is truly taxable. 

Will you be using the BP calculators (or alternative) to determine "pure" cash flow so you find a deal that really works.

I understand that the current real estate is under-assessed and that the taxes will increase if we declare a higher property value, but this might be necessary.Can anyone give input on how to accurately determine the business value versus the property value.

That said, I wish you only the very best if you're determined to stay this course.

Determine what you are working with first for the roof and go from there.

In turn our revenue has increased by about 18% so far.In my opinion, your specific market and your pricing strategy are going to determine these statistics more than the overall sentiment about AirBnB or the other booking platforms.