Replacing and reinforcing our garage door! Cost, process, timing

The other day I shared about our exterior painting and then last week about our new gutters. We're done with hire-out exterior projects planned for the spring! Before we could do paint and gutters, we had some big work to do on our garage door. Replacing and then some!
Garage door replacement
We had figured our garage door probably needed to be replaced since day 1, since it didnt really work (stopped before getting to the ground and had to be closed manually rest of the way), was dented,...