Axles get you a little more familiar with the suspension. I've done a few on my car due to cheap aftermarket axles and probably having my car too low without adjustable control arms. I would suggest just buying new bolts for the axle. The axle bolt that goes through the spindle is one time use so you need a new one anyways. I stripped one of the M10 bolts that bolt to the axle flange on the transmission so I think for the price of the 6 bolts it's worth it. One thing about changing the axle too is if you leave the car on the ground it makes for hard angles at the flange bolts. I found it easy to just leave the opposite side semi-jacked so when I want to spin the axle for a better angle you can just lift the other wheel off the ground and spin the axle freely. Someone else might have a different way to do it but that worked for me.