If you're going to correctly repair ball marks on a putting green, you're going to need some kind of tool to help out. However, that doesn't mean you need a $30 switchblade-style divot repair tool.
Take repairing ball marks, for example. Do it correctly and the green will look unscathed, but the wrong technique can exacerbate the damage, leaving quarter-sized dead marks for weeks.
Taking good care of the course – for example, by replacing divots, smoothing bunkers, repairing ball-marks, and not causing unnecessary damage to the course. You should check to see whether the ...