How can I improve cash flow through alternative funding.

[Aaron Price]

I have a property with an interest rate just under 3%. The remaining loan balance is around $180k, I also have a HELOC on the property with a balance around $50k. Since it is a variable rate, I pay around $400 a month in interest. I have the property rented now and want to improve my cash flow by reducing that $400 a month in interest. I don't want to refinance the mortgage and roll the HELOC amount into it. Any suggestions on how I could reduce the amount of interest that is going to the HELOC?