I've been experimenting with an expense-tracking app for my iPhone that might just make my paper mileage log obsolete. While it's slick as anything and almost makes mileage tracking painless, it's got me wondering. The mileage that I'm tracking in 2011 will be open to audit until April 15, 2015, assuming I don't file for an extension.  Unlike my trusty paper logs, my app leaves my mileage … [Read more...]