I hate wheel alignment.
Often you aren't sure the work is needed either before or after the work is done. It's a mysterious process based on light beams and computers and whether esoteric numbers are close enough, and normally, you can't tell any difference after it's done -- you don't know if anything was even done. You have to trust a person of unknown competence and honesty that it was needed and that he did it right. It costs a lot and seems to be mostly for the purpose of saving tire wear, when an entirely new set of tires only costs about 3-4 times the cost of an alignment. So, unless it extends the tire life by a third to a half it's not worth the cost. It doesn't last. If you hit a chug hole, curb, or almost anything it knocks the alignment out.
-- jim