You should consult a tax professional for an answer based on your unique situation, this is not tax advise just general information.

The courts will handle service via e-mail and delivery to the unit.

Simply put, each search will be unique based on filters.

That person is responsible for anyone one else that comes into contact with your property.I suggest using a service like Mayistay.

When a PM does charge a markup, he's usually getting a discount on the service to keep the cost stable.

The ways around that are to build a business around supporting their voucher and inspection program and spending no small amount of effort ensuring they are smoothly servicing your rentals. 

Will they base their calculations solely on the income from the two legal units and disregard the non-conforming basement?

Based on how many people have moved here from other states (specifically California, Oregon, Washington, and then a few areas like NY/NJ) along with the amount of redevelopment projects and the chip factory that was put in - I think there will be further appreciation for the foreseeable future.Will Phoenix economy be depended on this chip factory?

However, this is not specific legal advice to you, just an opinion based on the circumstances described in this thread.  

Measure the right stuff - novices start by measuring success based on impressions, CTR etc., Those don't equal business results as Google Ads is ideal for lead generation.