Since your garage door is an integral part of keeping your garage well-insulated, it's important to keep it in good shape. When your garage door is in good repair, it can act as a great barrier to limit air exchange between your home and the outside world. Due to this, keeping your garage door repaired can actually end up saving you money. Any contractor you work with is probably going to ask to see your garage before they give you a quote. In many cases, this quote is given on the spot after the contractor has checked out the garage. In other cases, contractors can give out a quote over the Internet without having to see the garage door in person. In this case, you'll most likely have to provide an in-depth description of the door to the contractor. For some small jobs, you may not need to get an extensive quote from the contractor. For jobs that involve replacing certain small parts or fixing small breaks, you may be fine just calling someone out to do the job on the spot. However, you should be sure that the contractor you contact will be bringing a wide assortment of extra parts to handle any issue with the door.