It was obvious he valued the upfront fee more than the potential of a real partnership where we could collectively earn substantial profits (hundreds of thousands of dollars vs 10k) in a matter of weeks.

Have the tenant sign a Lease Amendment indicating that the tenant is responsible for the cost of installation of the charger, any maint and repairs, and also removal cost (if desired later by you or the HOA). 

I do not desire to reward tenants for poor behavior.I explain the consequences of an eviction to the tenant.

Simply achieving a 70-75% LTV appraisal and refinancing out your cash flow doesn't mean a profit will be earned. 

If you can find those two with a desirable property and location you should be ok.

I was drawn to this type of deal because it offered the potential for significant appreciation in a desirable neighborhood.

I was drawn to this type of deal because it offered the potential for significant appreciation in a desirable neighborhood.

Do you know if it is possible to have a tax deduction for interest/profits earned on promissory notes/PML?

Your annual earnings will be $4,500 higher, even with a two-month vacancy. 

Its favorable location in Detroit and demand for local housing presented a straightforward profit path, allowing us to quickly flip and earn, making it a strong choice for Partner Driven and Rod King.