And now another 1k of principal paydown per year on the 100k additional money in the new loan.

If you don't have the additional mental bandwidth, can't deal with stress in healthful way or do not have much time to commit atleast 14 months of focus then do not build.

Additionally, I viewed over 40 properties this year before purchasing my first rental property.

You could request a price reduction or additional seller credits for the inconvenience and security risk.

As such, they want to repaint, have some deferred maintenance that needs handled in next several years, and therefore pause distributions to LPs, to fund those additional improvements out of operating cash.  

The best advice on this topic, in my opinion, comes from 2 books:How to win friends and influence peopleNever eat aloneI am also looking for brokerages to work with or even experienced shadow / intern for to gain experience and additional knowledge.

In addition, I will also be paying much closer attention to water flow patterns and signs of erosion around our next investment!  

Just make sure to account for any additional operating expenses when projecting your cash flow.

They just add it inefficiently and expensively.

I did see it and scheduled the sprinkler installation but heard they are now requiring additional improvements that weren't originally discussed like multiple egresses, changes to pool room doors etc.