I don't invest overseas, but I do invest in multiple markets across the U.S.

Airbnb brand is strong 💪 Correction, AirBnB marketing is strong. 

I bought a condo in Norman Oklahoma 3 years ago and due to the rental market, I have struggled to get another.

Even at 30%, that's still 15,000 potential prospects.What you want to focus on is a competitive market rent.

That would probably be a good market for something like this.

They work well in areas with steady rental demand like suburban neighborhoods or cities with strong job markets​​.Considerations: Your property management needs will be lower, but rents may rise more slowly over time compared to short-term options.Short-Term Rentals: High Risk, High RewardAdvantages: Short-term rentals can generate significantly higher nightly rates, especially in vacation destinations.

It sounds like a single family house where you will be living in the house(personal use).Therefore, you may not be getting the tax benefits you think you are.Consult an accountant.I am not sure why your sister would agree to this as well, she is losing $170,000 in this transaction and she faces the possibility of you increasing her rent.You also have to charge market rent or close to market rent or it is all deemed personal use.

Maine in particular has a few markets with a decent amount of multifamilies.

Quote from @John Paul Palace: Our plan was to invest locally, however our market here is tough.

See if you’re in a tight market.