Homestead was rebuilt and expanded after Hurricane Andrew in 1992, and much of the housing stock dates from the years that followed. Doors from that period are now thirty years old: sound panels in many cases, tired springs and openers in almost all of them.
The inland position means less salt corrosion than the coast, and more of the wear comes from heat and cycle count.
Andrew changed the building code for the whole region, so a door installed in Homestead after 1994 should be rated; a door that predates it may not be, even on a house that has been otherwise updated.
Yes, Homestead and the rest of South Miami-Dade, with free measured estimates.
Probably, but the date matters: doors installed after the code change following Andrew should be rated, and the documentation is what confirms it. We can check the door and tell you.
If the panels are straight and the track is true, no: springs, rollers and an opener will give it another decade. If the panels are dented or the door is not rated, yes.