> How so? From my understanding, all you have to do is add up all your purchases that did not have sales tax charged and multiply by the sales tax percentage.

> How so? From my understanding, all you have to do is add up all your purchases that did not have sales tax charged and multiply by the sales tax percentage. You seriously keep receipts for every purchase you made online for the past 12 months and spend the time to add it up for your 1040? You honestly don't just check the box that says, "Meh, it was like $1,000 or so," and they take $20 or whatever?