You need to have a great house cleaning crew that can get you place sparkling clean between guests.Then is comes down to you managing the VRBO and/or Air site and proving great communication with your future and current guest.There is a lot more details that can be found here on BP.

As for the Air bnb goes, you have to acquire a special use permit for short-term rentals and the property has to conform to the permit requirements.

I think having a mold test makes sense, as it compares the ambient air inside the home to the air outside the home. 

Good Day Good People I'm looking for advice on getting private money for a down payment without the interest rates not being too crazy. Has anyone had success with a particular private lender? I understand this is a p...

My central AC stopped being cold (it blew air, but not really cold air).

I go by the basics-what are the comparable rents, hows the maintenance, what's the likelyhood of the bigger items like roof, heaing, air, etc.

Should I do an annual air test etc?

Two more questions;1) One (1) air handler per unit?

Adding 50% more square footage also brings in issues of larger or second air conditioning needed, larger water heater, etc.

Is the ventilation fan drawing out enough air and moisture?