does a real axle go out on wit 98000 and the cost

"Rear axle" - what part of it? The differential? The axle shaft bearing? Pinion bearing? Wheel bearing? Too hard to judge at all without a hands on assessment and seeing what really needs to be repaired. Once you find the "what" you can try to figure out the "why" -- too hard to know. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops