Basement sump pumps are annoying +1
Reasons to agree : If you have a sump pump, it will fail. When it fails, is probably during a rain storm, when you need it to work. Crawl spaces in Illinois fill with water, if you don't have a sump pump, for some reason. Images that agree : (stolen from Megan's Website ) Our sump pump runs quote often, when it rains, leaving a pond which we tell the kids not to play in.