Who was the lender?

By reducing the principal balance, your lender recalculates your monthly payment based on the new, lower balance.How Does Mortgage Recasting Work?

Taa da da - what happens if the original lender enforces the Due On Sale?

just double checked my lender is now 80% LTV for short term rentals only 85% for long term rentals

I've got about $525K in equity in the property, but lenders have told me that I cannot get a HELOC to access that equity for additional purchases because the duplex was financed as an investment - they have said TX law dictates that HELOC can only be used on primary residences.

You got some solid advice above check with your lender and get in contact with an attorney like @Bob Floss II who can help setup the OA.Assuming there is no pushback from your lender, you should be able to do a quit claim deed to retitle. 

What would be my best approach, I assume find a private lender and work out some deal with them.All questions and answers will help thank you.Normally the lender for the reverse mortgage will start a foreclosure.

The Role of Mortgage Brokers in Real Estate FinancingMortgage brokers act as intermediaries between you and lenders, streamlining the loan process while finding the best deals for your unique situation.

If it’s a blanket loan they would talk to the lender ahead of time.

THEN, I plan to purchase the second home using a FHA or conventional loan (3%-5% down), for which I will likely pay the monthly cost out-of-pocket, maybe with some rental income support if it is a duplex.My concern is, I do not want to spend my savings or weigh down my debt-to-income ratio so much so that I cannot qualify for and pay the down payment and closing for the lending on the second home.Questions: - With the first home being multi-family, 75% of the rental income (or potential rental income initially) will relatively either maintain or boost my debt-to-income ratio from lenders' perspectives, right?