A few years ago the tire shop said I needed Outer tie rods then and inners before too long. I got the outers done and am now going to do the inners. My cousin usually does work on my truck that I am u...
IMO you might as well do it all while you have it in the shop having front end work done anyway. Ball joints aren't all that expensive, but if you have to have it done on the road, it can cost lots more. Penny wise, pound foolish.