There were several good threads on the old forums on this topic, suggest you live with squeak until they are accessible or someone posts their actual experience.
Driver's side probably 4-5 hrs labour for pro since you have to drop sub-frame to get access to remove bolts. Alternate method members have used is to cut bolts and re-install with nut on top, retained with cotter pin.
Some have lubricated, but I don't recall the product or the outcome.
FYI and to give you something to read while waiting.
p.s. Bushings not replaceable, they c/w new control arm.