This will avoid winter problems with frozen pipes.- ALso see if UTL companies have a Landlord Protectoin Program that will auto-transfer to your name instead of shutoff.

Side note, here is a podcast episode I recently did with BP: Avoid Paying Taxes (Legally) with THIS Rental Tax Loophole

Screening carefully is key to avoid last-minute cancellations.

In many places Police will avoid dealing with potential crimes involving landlords/tenants when it comes to property.

That’s how you avoid locking up deals that look good on paper but don’t move.Building a small, real buyer list beats blasting deals to everyone.

Stagger starts, but also stagger capital sources.As volume increases, it helps to avoid relying on a single lender or capital stack.

Investors who network and compare real world data tend to avoid costly mistakes. 

(Property Help)Process tweaks that reduce late paymentsRequire auto pay starting on day one, with the debit date set 2 to 3 days before the due date to avoid weekends and bank holdsPut late fees and grace period clearly in the lease, then enforce it consistentlyAvoid cash and paper checks unless you have no choice, they create more friction and more excusesIf you want the cleanest system with the least friction, pick one platform, require ACH auto pay, and keep cards as an optional backup for tenants who need it.

What is the best way to avoid legal issues when making decisions for this property and to not let him claim anything when selling the property?

I am trying to avoid a situation where the sale triggers an automatic reassessment/reset before the new entity is recognized by the program.