I've never understood the real significance of automatic bill pay. Once a month, within 30 minutes, all bills can be paid online at each website manually.
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I use check regularly. I can pay all of my bills (~15 a month) within about 3 minutes, on the walk to the car from my apartment.
Most utilities, car loan, and bank websites are miserable, interface wise. Being able to pay for all of them within 3 taps, for free, is amazing.
Goddammit. I just got settled into check.me after bailing on Mint because Intuit totally borked that one. Back to scouring the alternatives...