You need to replace the pads (or shoes) at least. You should have the rotors or drums turned. If they are below minumum thickness, they should be replaced.
Check hardware for rust/corrosion and replace as necessary. Check the calipers/wheel cylinders for leaks and replace as necessary.
Cost is hard to estimate, since you would have to inspect the condition of the brakes.
Rear brakes (pads or shoes) generally will last FAR longer than fronts (up to 3 times longer).
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Wednesday, March 17th, 2021 AT 5:34 PM