Another alternative here could be refinancing although it is likely your rate is well below today's rates.This is not financial advice, I am not a lender... just sharing some insights that have been shared recently. 

If I believe I can generate enough profit this year and navigate any potential inspections next year, I’d be comfortable moving forward—using the income earned to cover any necessary upgrades.An alternative exit strategy is to document the financial performance and sell the property as-is, highlighting its strong short-term rental income.Think through your next five moves, from best to worst-case scenarios, and make a decision that aligns with your goals. 

You may be far better off structuring it as him being your lender (as opposed to a partner) or, alternatively and likely less attractive, you being his contractor.Part 2.

I'd look into sound reducing alternatives before you throw the baby out with the bathwater. 

I offered her before this event to move out and honor deposit back even contract building is 6months lease also wafted some negotiation with HoA they offered to move her to alternative unit.

You can have an IRA-owned LLC (aka Checkbook IRA) to buy real estate with it or make any other alternative investments.

Are there alternative strategies you’d recommend for this market or nearby markets which are of commuting distance to Danbury?

This is another issue I see with those who seek out alternative financing because it’s the only way they qualify to make the purchase. 

Some hard money lenders specialize in fix-and-flip loans, while others might have a more robust understanding of the BRRRR method.Would you like help connecting with others who've used Rehab Financial Group or researching alternative hard money lenders?

I take a picture of their driver's license.I ask for phone numbers that accept texts and any alternate land or business phone numbers.I ask for the names and birth dates of anyone under 18, and ask if there are any service / emotional support animals, together with their names and breeds.I also ask for personal references, previous landlord contact info (and length of time there), employer contact info (and how long there, together with earnings), as well as the name and contact information for their manager / boss.