Important information about the data: prior to mid 2010, money that went on the credit card never got classified in any category other than credit card. That skews the data for everything from eating out, allowance, pets, house, and misc.   I have data going back to 2005, but for now, we’re sticking with what our financial life has looked like since 2008. Why 2008? That was the year I graduated with my MBA, the lastread more…