I finally had success with importing my data by just waiting a long time. I'm sorry I didn't time how long it took. It was probably at least 5 minutes to delete the partially imported data and at least 10 minutes to reimport it. I had 485 transactions that it was dealing with to help you gauge whether you have more or less.
I also did clean up cookies and cache like they suggested but since I'm not running turbotax from my browser I can't imagine that that was any help.
