That said, we have traveled a lot and stayed in wonderful Airbnbs over the years and have always dreamed of creating an incredible experience for someone visiting Minnesota with a short-term rental as well, so we are definitely open to that idea and have some great experience as to what we know would provide an exceptional short-term rental experience. 

I was hoping to hear some ideas on what everyone is doing, other than working a W2 and eating ramen.

Happy to share more specific ideas!

Alternatively, your sibling might use a 1031 exchange to defer taxes by reinvesting in like-kind properties, though this doesn't directly fund a primary residence.Other ideas include leveraging a HELOC on the rental properties for the down payment, taking out a 401(k) loan, structuring an owner-financed agreement, or a lease-to-own arrangement.

And yes they pay 60% of your Mortgage.Open to share ideas any time we have a free network to meet like-minded investors in Miami.Luis Maqueira 

Any other ideas for how to solve this problem?

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

Hypothetically, if I found a property with strong rental demand, the income could cover loan payments, operating expenses, and generate a modest positive cash flow.While this example involves upfront risks, the idea would be to leverage my father’s expertise as a contractor to minimize renovation costs, boost the property’s value, and create a long-term asset that appreciates over time.

Example https://www.meetup.com/topics/real-estate-investors/

I like AK-51s though.Open to ideas for something to get my wife.