There probably isn’t a home in the UK that doesn’t have a supply of aspirins on hand for occasional aches and pains and maybe even a bandage or two for nicks and cuts. But when the cost of all the little supplies we keep on hand for first aid adds up, it really would be much cheaper just to invest in a first aid kit.   Of course it is regulated that companies and sole proprietors should have specific first aid kits readily available on the job but when it comes to the home, many of us aren’t prepared for...