He's interesting in partnering and, at least for now, would be contributing services.Is there a standard capital / profits interest for situations where services are the only thing contributed?  

As your income grows, consider expanding your portfolio further to include other asset classes or real estate markets.Maximize Retirement Accounts: If you haven't already, consider contributing to retirement accounts like a 401(k) or IRA.

The group collectively contributes the down payment, closing costs, reserves, and reno $$ if applicable.

These careers will  also afford you more options to contribute to partnerships if you choose to go down that path.

Recently, I've begun investing in real estate and want to contribute to the community.

There are some very good localized mentors that hang around BP and contribute with excellent advice and information on forums, podcasts, and articles.  

The lower interest rates for so long have partially contributed to the increase in house prices (more people could buy). 

Max contributions to 401k if available or contribute to IRA.

This part of the post will introduce readers to the latest advancements in the field, demonstrating how they contribute to energy efficiency, water conservation, and overall environmental sustainability.ESG Criteria: A New Standard in Real Estate InvestmentEnvironmental, Social, and Governance (ESG) criteria have become a crucial consideration for investors.

The S and P 500, over the last decade, according to wikipedia, with bring you around 11% if you stick with it and do regular contributions in up and down markets.