We do preventive rodding, but I guess it didn't get the job done.  

Clean it up a bit to get most bang for the buck add ons and preventative damage items like water leaks.

If, after the first ten (10) days after you take possession of the Rental Unit, it becomes necessary for us to undergo including, without limitation, prevention and remediation in your Rental Unit and/or on the Premises, you will be held financially responsible for reasonable costs thereof, paid as Additional Rent.

For example I hold the core of my real estate holdings without debt (because I'm a conservative investor and I'm more concerned about preventing a loss of money than I am with attempting to maximize potential return).

He may get stuck with rent control laws that prevent him from catching up later. 

Hurricane Helene prevented us from hitting $200k revenue this year since the interstate got shut down for major repairs and tourism traffic suffered this last couple of months which are always the best months.

I believe it tends to give me a slightly lower return, because the sponsor is going to be more careful, and if there is a severe downturn will prevent me from taking catastrophic losses.

Encourage him to set long-term goals, connect with mentors, and use educational resources while keeping the learning process fun and balanced with other activities to prevent burnout.

Good way to prevent collusion.

What I do for my units with shared meters is I charge 50% flat to each tenant which prevents waste I get no issues with any waste due to this but the ones that share electric bills do get many complaints due to the size of the bill.