I am trying to purchase a mobile home park that is already in a system of Mobile home parks that profit 87 percent for the last 15 years.

Then you 2 would agree on how you would split the profits once the property is generating cash flow and the original equity is returned.

And even if I do not get into the renting business I can make some profit if I decide to sell the property at some point.

If you use a PM, you are cutting heavily into your profits.

I've found other investment strategies to be far more profitable and far less demanding to operate. 

And even if I do not get into the renting business I can make some profit if I decide to sell the property at some point.

The main issue is your exit is capped so if your costs go up, your profit goes down.

After holding a property for more than 10 years, investors can sell the property without having to pay capital gains tax on the profits, making it a favorable environment for long-term investors.Investment Strategies for American Investors in Germany1.

During 2020 to 2022 I was fighting to keep my business profitable as materials and labor came in short supply and eventually led to the inflation we're seeing now.

They won't always be upfront about this with you but if know they're selling because they want to retire, that opens you up to different options vs if they're an investor just selling for profit.