[Flieger]

It is good to bleed the brakes every year.

If the brake pads are worn unevenly (i.e. the inner is still thick but the outer is thin) it is a sign of a stick piston. If they do not retract fully and cause excessive drag on the rotor, they should be refurbished. You should be able to spin the rotor by hand when the car is on a jack stand with the wheel off. If you spin the hub, it should stop in about a quarter turn. If it takes so much effort that you cannot spin the rotor by the wheel stud and if the rotor stops immediately, then the brakes are dragging.