If you buy advertising from a local broadcaster, they will often create a commercial for between $500 and $2,000. If you agree to run advertising for 3 to 6 months, they will often do it for free. There is catch to having a broadcaster create a free or low-cost commercial.f you’re going to use a television commercial production company, you are going to pay anywhere from $5,000 to $20,000 to create a 30 second commercial. However, you may be able to get your local broadcaster or cable system provider to create commercials for minimal or no cost.