He is known not to answer his phone, rarely respond to email and has multiple litigation's against him.

Now I have to have a sitdown with this potential and try to iron it out in order to seal this deal!

The person who handles all your transactions and your account answers the phone EVERY TIME ON THE 1ST RING.

You need a phone.  

Sent you a note asking to get on the phone next week. thanks. 

To give them credit, there are so many rules and regs for any county, it's impossible for the one person you happen to get on the phone to know everything.So just to be on the safe side, you probably should give them a call again to get some clarity on ALL of the requirements for renting out a basement apartment. 

You can also integrate your phone systems so you can track all those metrics as well.

My realtor was super patient with me and was super professional though he probably ended up making $1.50/hour with all the hours and phone calls he had to make to close the deal. 

BP cosigns our ability to operate and vets us both on the phone and online prior to featuring us.

Get someone on the phone at listsource and talk to them.