Felllas, I come to you as a forum Noobie and in desperate need of advice. This is my second season so far and the business is doing very well now that it is raining again. I also have another full time profession and moonlight in this industry maintaining only 9 high end private residences weekly. I'd love to expand but taking things slow to start off. My problem: The under ground yellow jacket nests.... one incident last year with a few stings, 7 stings in one incident last month, and 12 stings today more today. All different properties.... but similarly painful. I look and look but never see them until I go back to get my equipment after fleeing the area. Always under ground nests and impossible to see, all incidents are in back yards not heavily wooded but not sod. I figured I'd hit you fellas up for any advice at all. I would even bee (hahaha) willing to spend my own money to treat the yards with some sort of spray if it would help....just frustrated as hell and hoping for some type of input or tricks of the trade. Thanks for you time in advance.