Late in the day the light over Fayette County turns amber and long, and the cart paths threading out of Tyrone toward Peachtree City fill with people out for the cool part of the evening. Positive Entergy LLC likes to leave a yard at its best in that hour — mowed, edged, trimmed, every clipping lifted off the drive. Lawn care is repetitive by nature, and the pleasure is in the repetition done well: a straight edge along the sidewalk, corners never cheated. Grass here answers to a schedule kept, not to heroics after it has gotten away. Homes in Tyrone, Peachtree City, Fayetteville, Brooks and Sharpsburg fill out the week.