rental interest mortgage

Me and my wife own a house with no mortgage on it. Currently we are completing new house that we took construction mortgage on and HELOC against old house on top of that. Now we plan to move to the new house and rent the old house out. The question is how can we minimize the taxes on rental...

I recently purchased a new home and I plan to rent out my existing home. My plan was to use the equity from the current home for the down payment on the new home and then refinance such that I have a mortgage at 80% LTV on the first home. I was under the impression that the interest on the...