As the saying goes, it's better to have it and not need it than to need it and not have it. Unless you conduct your life near an emergency room, chances are a first aid kit will be a very useful lifestyle accessory. Safety experts recommend keeping at least two home first-aid kits around in case of emergency. They also recommend having a first-aid kit for your pets. You can purchase basic, intermediate and advanced-type first-aid kits for both home and industrial use at pharmacies, medical supply stores, workplace suppliers and on the internet.