We want to detail the responsibilities, capital contributions, profit and lost sharing percentages, decision-making process, have dispute resolution methods, and exist strategies.

That said there are some nuances and requirements to property implement interest tracing so ensure you talk to your tax professional ahead of time and keep the funds movement as clean as possible. 

Additionally, consider operational costs like cleaning, staffing, and marketing, as they can quickly add up.For management, outsourcing to a professional property manager or leveraging tech platforms for bookings and operations could streamline things, especially if you plan to scale.

., set salary, percentage of profits, or other methods)?

You can take a deep look at the deals and get an idea of the kind of variety you'll see and come up with your own due diligence method (that meets your unique situation).

My thought is that the people that ARE using it for lead gen/outreach, automation etc. will keep the methods to themselves until the advantage of early adoption is done and that business segment is saturated, then they will sell courses to everybody else..

At that point I dont know investing would make any sense, I have heard scary stories I was thinking about short term rentals but that needs constant cleaning after guests and conpetition is very high my friend spent almost 200k out of pockets to buy a property for airbnb and he got 17 bookings per year....

And maybe it's not all or nothing for a given method, sometimes a combination of various financing tools is what wins.

I would consider getting out of property management and getting into cleaning IF you think they are doing better than you . 

No other methods of payment accepted, written into the lease.