If single, your tax will drop by 22% of the amount of interest you report. If married, your tax will drop by 12% of the interest amount. Deluxe online is about $100 including a state, so see if your deduction is more than the cost.
You can also file using the Deluxe software installed on your own computer for around $50, depending on the discount you get if you buy at Amazon, Costco, Best Buy, or similar retailers.
