Are you planning to dig holes for fence posts or a new mailbox? Or will you be running a wire or pipe under a sidewalk? Projects such as these involve shoveling unless you know the easy "water works" method. From deep within the Carey Brothers vault of "can you dig it," we bring a blast of info in the form of spray. Indeed, says here, you can often skip shoveling when digging a hole or at least make things go easier if you use water to burrow -- just like a mole. A strong stream of water from a garden hose can dig a hole for a fence post. To tunnel under a sidewalk, use a hose to blast the dirt and soil away. For more tips, visit our Web site at onthehouse.com. And that's the On The House tip for today.