Does radio advertising work for small businesses?

Radio advertising can work for a small business. You must carefully match the format of the station to your existing customer base. Then, you need a really good radio ad. Great radio ads are written and produced by great radio people. Spend a little money, get a great radio ad. Then, figure out when your current clients listen and run 2 versions of your ad only during those time slots. Bunch them up. Successful radio works when one ad sponsors an hour, every 5 ad is your ad.