Experience is the best teacher, it gives the test first and the lesson afterwards. An ever growing toolbox through the school of hard knocks; steep hillsides, easement issues, neighbors, caissons/pylons, shoring, environmental sensitive lands, city easements, 23 code violations cured, history preservation, brownfield (contaminated), billboard, and public improvements- widening street, alley, street light, curb, gutter, apron, storm water outlets.