I paid about $800 to have 8 installed in a large room with permits by a licensed electrician. How much it would cost would really depend on the prices in your area and the number of cans that you need installed. Count how many fixtures you think you'll need and then you can call around to get ballpark bid from local electricians before they come out.... more
Well, you could try advertising online or on TV. Lots of homes need metal gates, so you would have a large customer base wherever there are people. In fact, I am looking to replace my pool gate with something that is more childproof.