You hit the opener button on your way out the door and nothing happens. Or worse, you hear a loud bang from the garage the night before, and now the door won't budge at all. You call a couple of companies, they come out, and you end up holding two or three pieces of paper with different numbers on them — and no real idea why they're different. That confusion is normal. Garage door quotes aren't standardized, and a lot of homeowners end up picking based on price alone without understanding what they're actually paying for. Here's how to read one properly.