The Mint.com founder now runs a big part of Intuit and invests in startups on the side. Here, his take on Jack Dorsey's Square and the one investment on which he's glad to take a pass.

If you're not one of the 5.6 million active users on Mint.com, we suggest you give it a long, hard look, because even the most business savvy can benefit from its services, whether it's saving up for a summer vacation to Hawaii or receiving email reminders when users pass self-imposed monthly allowances. Mint makes personal finance a bit less painful.

These days, 30-year-old founder Aaron Patzer has more on the brain than just Mint, which was acquired by Intuit in late 2009 for a reported $170 million. As Intuit's Vice President of Personal Finance, he helms a $130 million-a-year division and a staff of 100 that handles brands like Quicken, Quicken Bill Pay, and PayTrust.

We caught up with Patzer earlier this week at Intuit's Innovation Gallery Walk event in Manhattan, where he reflected on the last year or so post-Mint.com acquisition and offered up some personal savings tips as tax day fast approaches.

Fortune: It's been about a year and a half since Mint.com got bought by Intuit. How has the transition been from running a startup to being a part of a larger entity? More