Tell us what's going on and get the straight answer - what it likely is, what it typically costs, and a free quote from one local garage door pro. No obligation, no five-company phone blitz.
If any of these are happening at your place, you're in the right spot.
Door will not open even though the opener hums
A loud snap or bang from a broken spring
Door is crooked, off track, or hanging by one side
Opener remote works sometimes, then stops again