Request repair requests in written form even though they may mention in passing and you are next door just so you don't lose track of things.

I acknowledged avoiding personal days, but neglected to mention the 14 day rule.

as an example, lets say a lender gave you an 80% loan to buy the land PLUS 100% of the cost to build the property on it in the form of draws... theoretically you'd be walking away with MORE than 100% financing. its just done in a round about way, and you would still need to bring in some "skin" as @Brandon Croucier mentioned. 

I don't understand why you mention them "calling the note".

For those who have rental properties, can you mention what costs you generally cover for your tenants? 

As others mentioned, expect some deferred maintenance too.

You're in San Francisco and I'm a local in the area that Conner mentioned.

The Professor mentioned that it was 'supposed' to move one foot per year to relieve pressure.

The would mean you are now spending $400/mo on your housing cutting your monthly expenses by $600 or adding $600 to your income each month not to mention tax benefits and appreciation.I think once you have a house hack, you look into buying a value-add property and BRRRRing it.

Lease/option requires a lease (that does not mention an option), and an option (that does not mention any lease).