This story first appeared in the Midcoast Update, a newsletter published every Friday. Sign up here to receive stories about the midcoast delivered to your inbox each week, along with our other newsletters. Loading groceries into her car outside the Wentworth Family Grocery Swan Lake in Swanville, Sharon Ellsworth said high grocery prices have her shopping much more carefully. “There’s stuff I just don’t buy anymore,” she said. Ellsworth used to…