The job gets harder when a homeowner's tried to fix the spring themselves first. Torsion springs under tension are the one part of this work that genuinely hurts people, and we see more of that attempt in Oakbrook than in older parts of the territory, maybe because these doors look simple and modern. They aren't - the winding cones are still under several hundred pounds of torque.
It also goes sideways when the door is original to the 1990 build and the opening has settled slightly, which happens over three decades even on a well-built house. A replacement door has to be custom-fit to that slightly-off opening rather than ordered off a standard spec sheet, and that adds a day or two of lead time we can't shorten.
Our honest limit: if the opener logic board is the failure and the model's been discontinued, we can't always source an exact replacement board. At that point full opener replacement is the only real fix, and we'll tell you that on the first visit instead of charging for a part we can't get.