Any guidance is appreciated and I know it's not tax nor financial advice, just your thoughts.

Let me know! 

How do I know this other address is even valid?

I was able to get more information on the property then if I didn’t know the seller and I’m still able to contact the seller if I have questions.

I'd like to know because if they select them as they are entered into their database, right after filing, then there is another good reason to always extend and file on the last day.

$25k is only 4.16% of your new purchase price, heck of a deal.Thank you for your service and let me know if you want to talk any more details and run actual numbers based on your situation.

Does anyone know if loans are 90/10 or 80/20?

Won't be perfect, but if its a dying city they landlord don't want to be in, you need to know.

Once you know exactly what you are looking for it becomes easier to figure out the best way to achieve your goals.Just my three cents worth

Since we dont know what will happen in 12 months and this would be a house hack, sounds like there is potential that rents will rise - and if it doesnt rise enough to your liking, then you could stay a little longer.