Also, I wanted to follow up on @Wade Wisner suggestion and throw in Virginia Beach, or all of Hampton Roads, to look into as it is a market with a huge military presence. 

Over the past 3 years I have been spending about 6 months a year in the USA; enough time to make me a US tax resident because I meet the "substantial presence test". 

If so, I believe a smaller percentage is fair considering the fact that she won't have much involvement in the process aside from her presence and desire to direct communication which can become sticky during a new build.Thanks in advance for feedback/comments.

The only way I've ever seen these types of properties work for an investor is if the owner is closely managing the day to day and the tenants feel your presence.

Have it all in writing via a signed contract by all parties and discussed in the presence of a lawyer to protect each of you and the group in general. 

noDoes it have a diverse job base, primarily composed of services, particularly tech?

Benefits are that you're not 100% on you own, you'll probably get some faster business, you might learn some from an experienced agent, you can see how a team operates, you might see a more disciplined approach to the business and perhaps get to hang out a bit or be in the presence of someone organized.   

These can be anywhere nationally but my presence in Florida makes that my preference. 

Look for companies that have a strong presence in California, as they will be more familiar with state regulations and requirements.Land Preparation and Additional CostsPreparing the land for a manufactured or modular home can vary significantly in cost, depending on the condition of the plot and the amount of work needed.

So, self-managing may not be the best choice unless you are going to be able to dedicate the time to initially set up the property, get good vendors in place, and optimize your digital presence on all the booking sites.