if it is consider if stripping or replacing doors will result in a lead free designation. otherwise I do like older doors if he will be going with modern or lower quality door skip it.

I assume they would uncharge repairs in some form or fashion.

This project primarily focuses on cosmetic updates, but our partner is also modernizing the kitchen to attract today's buyers.

Or should we just push through this next 1.5 year and pay off our debt the old fashion way and wait 1.5 years to buy our home because adding another mortgage payment on top of this would make it harder on our cash flow. 

Modern advice is the operating agreements are up to date and spell out Roles and Responsibilities much more clearly. 

A house with a lot of character (which often comes with other issues) or modern construction with next to no frills.The answer is both.  

I could modernize it, but since my tenant is happy & paying every month, I'm just leaving it alone.

Were request handled in a timely fashion?

Only private contractors install in a cosmetically appropriate fashion. 

Is this an independent manager or is this person connected to Airbnb in some fashion?