Give a heads up about the construction but also make it sound good and beneficial to the area and future guests.

It also sounds like not everything was reduced to writing as it was discussed/negotiated.

Once you see how a few run you will see how easy it is as a landlord.

Its lower than a truck , easy loading , it will carry 2 tons , it dumps .

So it sounds like you're actually wanting to BUILD a new construction multifamily property? 

As a licensed mold inspector and remediator it sounds like you have no serious issues and tenants are complaining and seeing normal mold spores in a bathroom and using it as an excuse.

You'd likely run into IRS "personal use" rules that may limit how much of the expenses you can deduct and/or the timing of when those deductions could be realized.See:  https://www.irs.gov/taxtopics/tc41A CPA could explain how it would really work in plain English :)EDIT:  If you had 12 of them, lived in each one for 30 days/year, and rented each out at fair market rent for  300+ days per year, sounds like you'd be golden!

Do one task at a time in each app so you can compare apples to apples.Load a property with pictures and details.Market that property.See what your marketing looks like from the public's perspective.Submit a fake application to see how easy the process is.

Sounds like you've made the right next steps!

This might be a stall tactic, and it sounds like the applicant is already willingly identifying themselves as disabled, but you could ask them to fill out this form.