I am not familiar with how HELOCs work but they declined me saying my DTI is too high.  

Look, lot's of great to be said of TN but end of day the numbers are the numbers.

Once you know how the land is allowed to be used by City or County zoning, start working to a "highest and best use" mindset where you find out how the deal can be quickly turned into money by the end user.

Quote from @Jacob Molina: Okay, so with that 3-2-1 would the final year of that or end of that the rate be fixed or could it go up any higher?  

Building appraised out at $1.5M and I ended up leaving a small amout in the project (~$90k).

Petersburg area, resulting in highly–profitable investments.If you need professional and courteous property management experts for your multifamily, single family, condominiums or town home, you've found the right company!

At the end of the day its about price and terms. 

Most likely the new lender is going throught the foreclosure process and typically will end up taking the property back.The original posters chances of getting this property back now is slim to none as it will be sold at market value.  

I’ve been working with several lenders for DSCR loans, but I’ve found that the fees are quite high, with minimal benefit in terms of lowering my current interest rate.

Look up your local laws on how much notice you have to give to to end tenancy and then give them that notice.