However, sellers should take note: while prices are up, the percentage of the original list price received has remained at 97%.

If the policy limit you have selected does not meet the specified percentage, your claim payment will be reduced in proportion to the deficiency.

Instead, they typically provide cash for a percentage of your home's value (usually up to 30%) in exchange for a share of future house price appreciation.

This list uses an average yield percentage formula to elect the winners.

OR should I base it on a percentage of equity earned that is predetermined before we close on the property?  

Reinvestment/Expansion (10-20% of Income)Rule of Thumb: Allocate 10-20% of your income towards reinvestment in your business or properties.Why: This fund can be used for purchasing new properties, business expansion, or other growth opportunities, ensuring continued business development.Summary Breakdown:Mortgage Payments: 25-30%Operating Expenses: 30-35%Emergency Fund: 5-10%Capital Expenditures: 10-15%Paying Yourself: 10-15%Reinvestment/Expansion: 10-20%Adjust these percentages based on your specific circumstances, risk tolerance, and business goals.

This has yet to be discussed in detail, but it would be a percentage of the monthly rent. 

If Michael wants to keep the house, he buys out Jacob based on Jacob's cash contribution to the purchase plus/minus some percentage of the appreciation/depreciation since purchase (% could be based on their respective cash contributions to the purchase).

Would love to know percentage of sales across america where the sellers agent negotiated a listing for say 1%, 2%, and so on.

In such contracts it is specified what they charge per hour or a percentage of the rental income.