If your walls are in good shape I would go with a satin or eggshell for its durability and ease of cleaning.

Very durable and usually covers one coat no problem.   

Is the higher upfront cost of ceramic coating worth its longevity and durability in return?

They will NOT take on a client that has 1 or 2 single family home.Even though they are 'big', when I first started to work with them, I was not satisfied with the level of monthly reporting and asked for some customized weekly reports.

@Dan ShelhamerYup, from the linked article:"However, there is an exception for deducting up to $25,000 of rental losses against active or portfolio income if active participation tests are satisfied, even if the material participation tests are not.

Consumers are free to get solar if they want, but they should not be forced to relinquish their rights to enjoy their property in the manner they like to satisfy the solar lobby. 

Frankly, that sounds a bit unrealistic.I'm also not too worried about satisfying the case law standard.

Again, I'm not an accountant, but the way it was explained to me is the purpose of a safe harbor is you satisfy the safe harbor and then you get to stop. 

You'll need to ensure that your new parcels satisfy local regulations on size, shape, frontage, setback(depending on what you;ll build), work with your engineer and architect for the site plan for your building, parking, etc.Usually 2-6 months depending on your location and city approvals (or county).

The easiest way to satisfy this is having a handyman that will respond to emergencies, which is something you'll want/need for guests anyway.