I'm starting to add lots more fertilzer customers than I had anticipated. This will be my second season. I have my license. Is there any advice you guys can give me for avoiding rookie mistakes in the application business ? I don't want to mess up too many lawns ! Tough to get business when your references are all striped !! I've been using all Lesco stuff and I pretty much go by their schedule. I also have reference manuals to look up disease and weeds that I do not recognize. (Pretty much everything ouside of crabgrass). What is a good, basic 4 / 5 / or 6 step schedule ? Exactly what formulations do you use for basic applications ? Do you test all lawns first ? Thanks.