Dryer fires are not something most us us ever think about. However, they are much more common than you might think. Over 2500 residential fires per years are caused by dryer lint fires. Here are two links for you to consider. The first is about the stats on these fires. The second is about an interesting gadget that may be worth quite a bit more that it's cost. This is not an endorsement of the device in the second link - just food for thought