I'll try to respond to each component of your comment:- My idea of using an equity partnership as described above is coming from Brandon Turner's book "Investing in Real Estate With No (and Low) Money Down," and in the chapter on partnerships he goes through various why someone with cash may want to engage in a partnership.

They talk about how to handle situations like is on their social media accounts often.

@Forest WuRecommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

You said they are "from California" but now you are saying they don't have a social security number?

Either way, a BIG component will be financing for 5+ units, so either way check in with @Joseph Chiofalo with a scenario overview.

I always say to go follow different people that offer STR masterminds/courses on social media, and whichever one clicks for you and has similar goals consider joining the group.

Mezzanine loans have higher interest rates and may include an equity participation component, allowing lenders to share in the project's upside potential.These are just a few examples of the various types of commercial loans available to borrowers.

They are advertising quite a bit on social media.

However, there is an educational time component necessary.

but then we run into the "Socialism" idealists who think if we do anything that is Government related to address health care, then they, the Government is taking control of our country??