It's up to you to be creative, but clear in your instructions. 

"Off-market" is a buzzword in real estate and a lot of people think it's something that's hidden from the public.

We instructed her on how to turn off system and requested se let us know if leak continued(we are in Missouri .. rental is in Florida..)A week later we called her and she said it was dry  .. on January 17 tenant called and said the city called her to report heavy water usage. my husband (a plumber) drove straight to Florida and upon inspection found a stress break in pvc pipe on main water line that goes into house (located the break under grassy side yard ) He said that kind of crack was from a heavy vehicle parking or running over that area.

"Dicounted course" real estate schools usually have cut rates for online instruction. 

For savvy investors, understanding schools is a great way to find hidden value that’ll improve demand for your rental.

Instruct the Executive Director of the Community Development Commission (CDC) and the Interim Director of the Department of Consumer and Business Affairs (DCBA), in consultation with the Chief Executive Officer (CEO) and County Counsel, to return to the Board in 60 days with an interim ordinance to place a temporary limit on rent level increases and evictions without just cause.

This coupled with the the fact that individual Airbnb Owners seem to have become jaded over the long term of owning properties, which has led to higher cleaning fees, hidden fees or exorbitant fees being threatened or charged to renters in an unprofessional manner I believe is going to cause a shift back to the hotel industry over time if they are not able to change course relatively quickly. 

It should also have been noted in the move in condition form as inoperative.As to the apparent high humidity issue, it really depends on what is typical in your locale, but you should provide clear and concise instructions on how to prevent the issue if the home is going to be empty for more than 24 hours, with consequences if not followed.

This is very instructive.

At the most, have an attorney send the contractor a demand letter instructing him to finish the project as per the contract.