Why Martha Saved Five Hundred Paper Receipts From Her Weekly Grocery Trips

our driveway.

On Tuesday morning, I would walk right up to those automated registers.

The plastic bag felt thin in my hand, and the green lights of register six blinked under the high, hum of the ceiling lamps. I lifted the carton of large brown eggs over the glass window of the scanner, holding my breath.

A sharp beep rattled through continue reading …