( I understand the answer will be highly variable but anything will help)P.s.

To add to that, where high income people are moving. 

I highly recommend you get involved with local real estate meetups where you can learn, Network, and sometimes find a deal. 

Since interest rate is now high, then IO product becomes interesting.When interest rate is above 6% ; the principal portion of the first 5-8 years is so low that it almost has no point of having principal, so IO loan product becomes (g00d)  product, BUT.....this is the but:1) if i plan to hold the house longer than 10 years hence it's better if I add principal which will reduce cashflow2) but if you plan to house longer than 15 years, and your home appreciate more than 5% yoy, just for the sake of 100 dollar cash flow, then you miss the bigger thing which is appreciation.

DOB (on photo ID)**I would highly recommend using a tenant screening service so that you have a full application and ability to provide details to a collection agency.

I'm worried about how much penalty I'll have for using my insurance.Or, do I save on monthly premium and hold a high deductible, and pay for a new roof out of pocket once it fails? 

AirDNA just released an article on this that I'd highly reccomend reading.

If you're looking for a real estate book, I highly recommend "Estimating Rehab Costs" by J.

If they are a high producing broker, they should be able to provide you with an abundance of insights related to that market.

Or maybe rates stay high and he starts feeling the squeeze with his investors if/when he has to refi at 6% or sell at a price I would have paid today.Back to Bjorn's point, keep reviewing and underwriting deals.