I don't know about you, but I have a soft spot for pets who are chained to just one spot in the home. I believe that dogs should be allowed to roam free (you can't do anything about cats though since they think they're king around the home), but you can keep them confined within a certain area like a room (for in-house dogs) or using a large play pen. Even if you turn the lights off at night but want to know exactly where Fido is, why not get him the Flashing LED Collar? This nifty device allows you to locate your pet easily at night, and would make for a great alert signal if you love taking Fido out for walks at night. At just $11.90 a pop, this is a highly affordable device, but I recommend getting this only if your dog isn't prone to chewing up collars.