Spot tuckpointing or repointing the whole wall
Sound original joints are better than repointed ones, so if only some joints are worn, I'd redo those and leave the rest alone. Repointing the whole wall makes sense when the wear runs across most of it. If bricks are cracking or coming loose too, the joints aren't the whole story, and a section may need rebuilding instead. I'll show you which joints need work now and which can wait.
What shapes the cost of tuckpointing
Beyond the number of joints, height matters, since a chimney or a second-story wall means ladders or staging and slower going. Lime mortar and color matching take more care than a standard mix. Deep or badly crumbled joints take longer to clean out than shallow wear. Fixing a downspout or drainage problem adds to the job but protects the new work. A short run of spot repairs costs less than a full wall.