First off, what a great site! I stumbled in here searching for turf info and WOW, its all here. Please excuse the new guy dumb question(s). Background: State: Minnesota Size of year 2 acres Has been a pretty "lumpy" yard, but seems to have gotten much worse in the last two seasons. Lot of worms, I guess. Kind of feel like I need to wear a mouth guard to go mow. Between all of the neighbors we could run a lawn care business with all our gear. LOL! Question: Neighbor has a pull behind "yard roller" that gets its weight by filling it full of water. I'm guessing its about 40-45" wide with no sharp edges. If I wait until there has been rain and roll an existing yard, can I smooth out the yard? Will I damage the yard? Should I aerate right after? Is this a good idea or a bad one? Thanks in advance for any and all thoughts on this subject!!!