I would appreciate hearing what you guys charge (or how you charge) for Harley Raking a yard for lawn prep and also what is your Standard Operating Procedure (i.e. go over yard first and remove rocks and debris and then spread and rake topsoil/compost/etc.)? I need to give an estimate to power rake a yard that's about 1 acre; no trees, no sprinklers but does slope pretty good around some of the perimeter. Owner is supplying compost mix that I will spread and rake and he will seed yard on his own. I'm strictly power raking. Thanks.