Lynn Cahoon
Jill Gardner, running Coffee, Books, and More, her store in a coastal resort town, South Cove, California, in the Tourist Trap mysteries:

Guidebook to Murder (2014)

Mission To Murder (2014)

If the Shoe Kills (2014)

Dressed To Kill (2015)

Killer Run (2015)

Murder on Wheels (2016)

Tea Cups and Carnage (2016)

Hospitality and Homicide (2017)

Killer Party (2017)

Cat Latimer, a former English professor now running a bed-and-breakfast, in the Colorado mountains:

A Story To Kill (2016)

Fatality by Firelight (2017)

Of Murder and Men (2017)

Angie Turner, running a farm-to-table restaurant in her old hometown in rural Idaho, in the Farm-to-Fork mysteries:

Who Moved My Goat Cheese? (due March 6, 2018) [ebook]