Since you're a U.S. citizen living abroad, non-QM (non-qualified mortgage) programs designed for foreign nationals might be an ideal solution for your situation.

Any tips for finding that sweet spot between profitability and sustainability?

What would you say is the starting capital needed to sustainably invest in real estate?

Listing the property on Zillow, Airbnb, and insurance relocation sites like ALE Solutions should help you get it rented @Vincenzo Peter Manzella

how sustainable is this model?

Personally, I am avoiding those markets for now just for a sustainability and environmental outlook, but I would overestimate for insurance premiums, almost 2x what you think just so you have a buffer.

There's a website called Furnished Finder that traveling nurses use a lot, it is also for anyone looking to relocate or who needs an interim solution.

I'd be happy to connect with you on this.Best of luck with the refi—hope you find the right solution!

As a lender who specializes in financing for real estate investors, I understand the unique needs of the BRRRR strategy and can offer tailored solutions to fit your goals.Here’s how I can support you:Flexible Financing Options: Various loan products designed specifically for investors like you, allowing for quick access to funds for purchases and renovations without the stringent requirements of traditional lenders.Experience with BRRRR: Having worked with many investors using the BRRRR method, I can guide you through the financing process, ensuring you understand the best strategies for maximizing your returns.Quick Turnaround: With a streamlined application process and quick approvals, you can move fast when you find the right property.Personalized Support: I’m committed to building strong relationships with my clients.

If the cash-out refi provides liquidity and good terms, it could be worth taking, but make sure it doesn't interfere with your construction funds.I can help you assess both options and see if we can offer a more favorable solution.