Wanted to know your method for prepping and spreading mulch...have my first semi big job next week which involves bed edging of 174 linear ft, prepping the bed (getting out old debris), and than spreading. I was thinking of cleaning out the old debris, using the bed edger, and than spreading... Additional questions... Should I break up the old soil in the beds or just lay the mulch on top? How many inches should I set the bed edger at that will define a distinct edge? Any my number 1 question is, how to get it done the quickest...but also not go down in quality. Any advice is greatly appreciated, thanks.