There's a very good chance the issue(s) you face have already been discussed and answered.Ask questions in the appropriate forum.

If you're willing to hold the property and make some cash for the next 5 years or so you could see a big profit down the road or just refinance into a much lower rate and improve your cash flow!

How do you deduct "improvements" such as a room remodel in the rented unit.

If the numbers work, why take a chance on a product that has a balloon payment?

I'm thinking of offering $450K (cash and bank loan), make improvements as leases end, and then refi and increase rents as necessary.

Here's why I waited:Visa Uncertainty: With a temporary visa like an F1 CPT or even an H1B, there’s always a chance that, due to lottery outcomes or policy changes, the path to a green card could be delayed or not happen at all.

These types of improvements increase your house hacking income. 

With things like the ONE Linden plan in Linden, which is a 50M plan to improve the neighborhood.

In addition, the tax savings from the STR loophole and the Cost Segregation Study could help accelerate your paydown of the HELOC and improve your overall cash flow.

I hope you’ve had a chance to connect with my team or me over the last few months.