Your journey from managing single-family homes to co-founding Elevate Commercial Investment Group to assist passive investors is both inspiring and instructive. 

although Dutch is CEO, it is frequently mentioned by him and Amy Vaughn about co-owners and business partnership. 

House hacking, short/mid-term rentals, co-living, sober living, or finding ways to add value are where the best opportunities are right now. 

I think he's in the process right now so I'm not sure how it's turned out, but last time I spoke with him it seemed that it was going well.I always tell people looking to do co-living that there is a certain amount of risk that you have to be willing to take on.

Another option is to co-sign but that has the same impact on my credit and responsibility to the bank.  

If the prospects look financially shaky or sketchy, I ask for the name of a co-signer - and collect payment for a background check on them.Verbally, I also ask when they are interested in taking occupancy, and I tell them the application will be made part of the lease agreement - that I can evict them if they've lied in their application.

Instead of a co-host can you just get a property manager that specializes in it?

Have you tried looking into co-brokering the deal? 

Werner Macedo, co-owner of D32 with Doni from this article say they don't have money to payback our deposits. 

We’re based in Colorado, and hot tubs typically add around $10K in annual revenue.