I'm curious what sort of life span you get out of your equipment. Life span being the time period of usage before frequent downtime and constant repairs become a problem. I realize it varies based on usage, type of crew, solo vs. employees, etc. but please respond if you can. Item Seasons Hours ZTR Mower ? ? Walkbehind ? ? Trimmer ? ? Stick Edger ? ? Blower ? ? Chainsaw ? ? Hedge clippers ? ?