But I would imagine the credit card companies would start to restrict me at some point.

However, due to the whole area now being deemed by insurance companies as a "fire-risk" zone, I can't find a single insurance company to put a STR endorsement on a regular home owner policy up there.

My best  success seems to come from tenants that go to a job where they work for a company.

There are eviction companies that you hire a crew. 

What local cleaning companies did you use and were they reliable? 

It may sound nice to pay a 5% management fee but the extra fees can add up to be more than the other company that charges 10% with no add-on fees.

Also things like culture fit, company goals, etc.

Company first, flip a couple homes first, etc.

Sponsor has executed this strategy multiple times, management company specialize in this kind of asset-Does the Asset support the business plan?

My Borrower moved his company to Delaware making it an LLC there which makes me a bit worried that he might try something and try to get out of the loan by splitting the llc .