It will probably take you at least a year to actually cash flow an arbitrage unit, since you can't really call it cash flow until your revenues have paid off all the furniture. 

Osborne - I would talk to a lender and see what you can afford.

I didn't have enough capital to get a big one, so I bought what I could afford as soon as I could afford it, so I could get cash flowing now.

Send a very simple notice:Dear X,Due to the termination of our relationship, I can no longer afford to keep the home.

I would try looking at a few different places on what you could potential afford in the future and see what offers the best returns(ROI) in your location. 

I only mention this because essentially an applicant could have a decent score and not be able to afford your place.

I'm also looking to house hack but i'm heading more north where it's slightly more affordable and bigger houses and lots for my money.

I want to invest in real estate in Poland because the local market is quite reliable and prices are affordable but still growing. 

Student housing isn't much of a need but affordable housing, as is the case with much of the country, is.

There may be more options, but at least you can 1)  get a house you can afford given your current financials and rent out rooms to save money or 2) get a somewhat more expensive house that you can offset with rental income.