The reason we were able to make the deal work was the seller agreed to take a percentage lump sum up front.

I realize that there are variables from market to market and property to property that could make VRBO more effective for a given property, but my understanding is that in general Airbnb bookings get out to such a dominant start in regard to percentage of the bookings, that VRBO and other lesser OTAs have trouble catching up.

For example, you could create a weighted structure where a percentage of profits is based on cash contributions, and another portion compensates for rehab or management efforts.Rent Payments and Tax-Free Profits:If you structure it as an owner-occupied property, the rent you pay could be shared proportionally, but tax-free gains on resale may only apply to your share, as you’d be the owner-occupant.

[Milestone 2 and payment amount].Retainage: [Insert percentage, if applicable].Final payment will be made upon satisfactory completion of the work, as verified by the Contractor.4.

Chosen right, some of those South side neighborhoods may become hot, and give you large amounts (percentage-wise) of appreciation.

You can negotiate a flat fee, or percentage of their profit of any deal. 

By the end of this you'll know more than a double-digit percentage of landlords. 

Life sucks, then you die.So will the compensation payouts take decades?

In addition, while the umbrella did not end up having to pay out, having it meant I did not stress about it at all.  

Other team members can fill your gaps of experience, lack of credit, etc.Be ok taking a smaller percentage of "something" rather than chasing all of nothing.