if your diying wheel bearings you have to rember that it'll cost you to have the tracking and camber set up after doing the job, no point in doing the job for cheep if the car drives crap afterwards.
also a leasson learnt the hard way, under no circumstances trust parts bought off the internet you may think your buying branded genuine parts that may come in a box saying they are the branded genuine part but think carefully if it's cheep it may be to cheep and for a reason.
one of my customers had a very nasty shock, he supplyed a turbo for me to fit, that he had found and purchased on the net, it clamed to be a brand new OEM turbo cam with all the right paper work and packing ect, it wasent, turned out it was a copy that nearly killed the engine it went on