Personally, when I do brakes on any vehicle I put on new rotors and pads + anything abnormally wearing like one side of a brake pad set (Ex: front left) is wearing heavily on just one side I inspect the caliper and usually replace the flex brake line with it depending on mileage, how it looks, test results, etc. Many years back I was thrown in the ditch on a country gravel road due to bad brakes (caliper locked up) and left a lasting impression on me where I won't do that again to save a few bucks. Nor will I put my family members in that situation. To me just not worth it.
Not affiliated with them, but RockAuto.com is one place you can find (many times) name brand parts, source P/N's, etc and save some money from what I've found. Heavy items like rotors it always depends on shipping costs due to weight and warehouse vs. your location for cost. So price checking between your other preferred places, Amazon, and Rock Auto you can figure out how to shave some cost when you have to start replacing a few things. For caliper issues when/if I have them, I always replace the flex brake line going to it. And bonus, when you bleed your old brake fluid out when brakes are back in proper working order, you've got some great piece of mind knowing it done and done right!
