More importantly, how’s economic occupancy via delinquencies?

It's important to follow your state’s tenant/landlord laws and maintain a record of any essential notices given.

If you are experienced, how important do you think it is to know a deal killer? 

Depending on the number of properties you manage and the frequency of your expenses, it's important to update it at least every two months.

The important things to consider about HOA fees is that they usually include some utilities: Water/Sewer, Trash, sometimes shared amenities like gym, clubhouse, pool, and they are saving you the time and headache for property maintenance: lawn care, tree timing, roof, siding, etc.

Here's a good article about current inventory versus pre-Covid.

Verify credit, employment, etc for you. 6) I would definitely want noise (quiet hours), guests, and treatment of common areas covered. 7) We've used Rent Manager as it focuses more on the financials which I think is super important.

This will be an important step for me so I need to carve out the time. 

How a tenant pays, keeps the house and acts as a neighbor is the most important thing to look for.  

If you put down an earnest deposit, you might lose out on that if you decide to back out(potentially). look at the agreement.The more important thing is, do you quality for conventional financing?