First, it's often a very bad idea to simply take a competitor's price - both Timex and Rolex would go bankrupt trying to match the other's price.
Here's the short version of what I suggest:
* Write down the pain point that your product solves in 1 sentence. * Write down the types of people who have that pain. * Rank each type by their willingness to pay and their ability to pay. Willingness will be partially based upon how well you can convince them that you'll save / earn them money. Ability will be based upon how much cash is burning a hole in their pockets.
Come up with three tiers, one for each group with the highest value for willingness*ability to pay. You may need to alter it a bit, if any of the groups prove too small.
I have two product pricing teardowns listed at my site ( http://taprun.com ) that might help you think more about pricing.