On an August afternoon in Northeast Cobb the thunderheads stack up west of town, over the Kennesaw ridgeline, and everything green starts leaning toward the rain. Ace Lawn Pros works that window — the last dry hour when a lawn can still be cut, edged and blown clean before the sky opens. There is real satisfaction in beating weather: the storm rinses the clippings off the sidewalk and the yard comes out of it darker and sharper than it went in. Summer here grows fast and forgives nothing, so the work is steady, weekly, unhurried in the doing and quick in the getting there. What the neighbors notice afterward is the line where the turf stops and the driveway begins, drawn straight as a ruler.