Obviously past results are not necessarily indicative of future performance, but it seems like a great investment for accredited investors to get a low-risk, solid return in exchange for some illiquidity.

Some tools give you a glimpse of predicted future performance.

We have offered to allow her to pay a reduced rent for the first few months as well but I am worried that may create some sort of limit on how much we can raise the rent on her in the future.

Legislators often leverage future obligations in the form of bonds.

In future, please try to only invest directly with general partner/sponsors, not through any incompetent "intermediary".  

Others recommend tools like Stessa or Buildium to track actual costs and project future expenses. 

It’s awesome to see your passion for real estate investing and your clear goals for the future.

I'd like to add another SFH to the business  in the near future with the main goal being grow the business as fast as possible. 

I will keep this front of mind going into future conversations and negotiations though incase it raises other red flags!

I hope we can potentially do future business together!