Thought I'd share these tips with everyone.Five Simple Steps to Resetting Your Air Conditioner Turn the system off at the thermostat.

And in this part of the country you are vulnerable to frozen pipes by allowing too much air to circulated underneath. 

You are going to pay for education in one capacity or another - either by making  a mistake early on or just shelling out some cash, or percentage of a few deals moving forward to prevent that mistake.

It's like "Only you can prevent forest fires" so, only you can protect your reputation!

Most lease agreements would prevent this action. 

Most likely, the loitering tenants just want to be outside for some "fresh air."

If so, I would highly recommend that you be certain that you are 100% sure of what issues cause the failures of all the previous sites, and know that you have strategies in place to prevent the same thing happening to you.

My friends furnace was somehow installed so all the cold air returns in the center of the house blow air and the vents on the outside walls suck the air.

The house was 99% done with some touch up/clean up, realtor started some showing too.I am not here to guess who did it :D  my want to prevent or at least not make it an easy job.Too bad in Chicago, pex is not an option.

The safe harbor prevents the borrower from raising the defense that they did not have the ability to repay the loan.