Cost me $50 for both sides. Bought the bearings off eBay and replaced them myself.
That obviously depends on what your are shipping, a motorcycle would cost substantially more than a CD.
5000
6'456 i reckon...
15000.00
7,899
$2500
28,000
http://www.wyotech.edu/program/motorcycle-technology offers a motorcycle repair courses. Also, you should look at colleges nearby your area to see which one is right for you.
$250-$350
7,899
About7doulars or so