A lot of people Believe we're insane to supply this guarantee mainly because it is so easy to abuse. From time to time we run into issues, but our warranty is one of the aspects of Queensboro that we have been most proud of. There have already been occasions, though, https://www.google.com/maps/d/edit?mid=17WVdSTXDEueFuufrOgpQD4qCJfv5W1Y&usp=sharing