took on a customer last january, there was so much sh%t on the decking in the end i gave up trying to dodge it, thought i would use their hose to rinse my boots after the clean, before i got in the van.........finished clean........outside tap frozen solid!!!!!!!! had to drive hom with my van window open!, went back 2 days later and said look, no offense but if you want me to clean your windows you are going to have to shovel up your dogs mess..... i text the day before most of my customers anyway, never seen a piece of sh%t at this house since, i think they were well embarassed when i went back though.