Mold not only damages your property but can also pose serious health risks, especially if it's black mold.As for the quote you received, $5,500 sounds a bit higher for the remediation of two basements, even with labor and materials included.

The difference between what they are saying that I owe and what I believe I owe is $370 which would be two weeks worth of rent.  

So, sure the bridge is higher but it you have to pay 500 dollars more for a month or two it is just not that big of a deal to get the perfect house  for  your or to keep from having to move twice (which will cost MUCH more) or leasing the property for lower then market for 12 months just to get it done etc etc,. 

And back and forth and back and forth for almost two months.

Two day minimums always worked for me, a three-day minimum scared away a lot of potential guests.

Drive Uber, door dash, sell things on eBay/amazon.  

Once you have done all of that, then start running #s on houses so you know what a good deal looks like and hit the streets door knocking and making calls!

This idea scales for any idea when you're trying to get work done on multiple properties; I need gutter work and a guards to be put on two properties, but most of these estimate generators are for a single residence.

If that's not possible, you can use the guide below to find a way to hold them responsible.HOW TO SHARE UTILITIES 101You have a property with two or more units and the utility meters are shared.

Another option is if you lived there two of the last five years, you could rent it for two more years and then sell.