➡️Consider joint ventures or syndication.

I'd venture to guess your tenant is a criminal or drug addict of some sort.There's some truth in your thought but he's actually a really nice hard working young man. 

First, what does your lease say about pest/rodent control? 

I would like to work out a payment plan whereby they pay me while I have control of the rights to the mortgage then in 10 years I pay off the principal.

SFHs are largely exempt from many regulations such as rent control.

I'm now considering expanding my real estate ventures into building custom homes, but I know this is an entirely different beast between the required capital, learning curve, time committment, etc. 

May affect your ability to work in the financial field, or in any managerial position of a company that’s raising venture capital8.

I currently have a majority of my savings invested in the stock market but am looking to diversify into real estate and other ventures to achieve my financial goals.

who are involved in wholesaling or other real estate ventures.

Thoughtful upgrades and efficient project management made this a successful venture, highlighting the strength of our partnership and commitment to delivering high-quality results.