Cool, I average about the same (I got a 29.99 seconds 3 of 5 today, haha. First sub-30 average BARELY made AND at the end of the month.). F2L is something everyone needs to focus working on. As CharlesOBlack said, work on look ahead. That's the most important thing to practice: F2L and look ahead.
How long have you been cubing and what cube do you use?
(I've been cubing for three months and, trust me, I love my storebought but I absolutely hate speedcubing with it.)