I wait well over a month before I hear any responses and then every single time they ask me to drop the rent.

You can try to research to make sure the utilities are there for sewer, water, electric, etc. 

Most lockboxes out there are not validating IDs when there are showing requests so it only takes one or two bad apples to land you in hot water with the owners. 

Hey what are you going to do with that lot, or you know it is landlocked, or you know it is unbuildable, or you know that is under water, or whatever? 

Looking forward to seeing your portfolio grow.Feel free to drop me a note if you need any help with cost segregation (how to reduce your taxable income using advanced depreciation).Chris Schmidt-Löffler

She claimed "air quality" and "water quality" problems among her chief concerns.

It is best to run a new electrical line to the unit that has the water and only allow that unit to use the W&D. 

.:  For example any water leak, of the contractor charges me $250, out of that $60 tenant pays.As everyone else has mentioned, charging a fee is stupid. 

My biggest hesitations with keeping this property is the rental market is pretty saturated and I’ve heard of some investors having to significantly drop their rent or have prolonged vacancies.

The HVAC and water heater estimated to be 6 to 8 years old by the inspector.