If a drop of 6% is $300 (according to the article), the average mint.com user is spending $5,000 a month. That seems way too high to begin with, and secondly,

If a drop of 6% is $300 (according to the article), the average mint.com user is spending $5,000 a month. That seems way too high to begin with, and secondly, a suspicously round number. Perhaps all the numbers were rounded off when told to the reporter ?