Yes, you can cut your hair yourself, you can floss and deep clean your teeth too , also prep your own avocado toast with your own squished Orange for drink.. 

It flooded out the bottom floor to the point of needing flood cuts. 

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.

That doesn't cut it for me.

I would cut my loses (and potential future loses) and sell.

Go straight to the governing city and county, call and get it straight from the horses mouth.

Yes, to be fair, if it's a straight-forward all-cash purchase, then the due-diligence likely could be done in 60 days or so. 

A lot of people we first speak with favor the idea of a 15 year because they pay less interest over the life of the loan, and it of course cuts the term in half. 

Once you step up to 5+ leverage gets cut and rates go up.Do some googling and calling. 

If I can be straight with you @Yixiong Pan I think there is a 90% chance this will not go well for you.