I imagine a lot split would also significantly increase cost of utilities as now I would have 3 hookups in that scenario.I am also concerned what would happen to that sweet 3.25% 30 year fixed mortgage I have, which I don't want to create any risk over in the slightest.Any advice on how to frame my counter arguments would be incredibly appreciated.

They have no profit motive so they will take their sweet, sweet time in installing any locks you need.

Let them know you're the new owner, that you will be abiding by the lease terms they currently have, give them your info to be able to make payments, any website/payment portal platform.I would keep it short and sweet.

You can definitely integrate Zelle/Venmo into your systems but there's easier ways. 100% agree with this explanation BUT I think there is a sweet spot not mentioned. 

Quote from @Eric Prescott: Yes, I understand that appreciation often means less cash flow and good cash flow typically means weaker appreciation, but there is a sweet spot where there is decent appreciation and sufficient cash flow to cover expenses so that the property pays for itself, and that is what I'm honing in on. 

But first let's find the sweet spot!

The pricing, seller's vibes, location all made it seem like a sweet deal.

Keeping fingers crossed for a sweet new tool to add to the investor belt! 

The short-and-sweet responses to your post:1. 

I have found the sweet spot to be $150K-200K.