Quick!

[DarkWing6]

and if you do screw it up, new outer tierods are like $15 each from BMA. still keeping you below the $100 quote.

[AndrewBird]

Putting the nut on also keeps the tie rod from flying up and hitting you/the car when it breaks free.

[YAN-3]

do it your self.

stole the words out of my mouth. do it yourself, be a shadetree mechanic:D

[Borat]

Steering Rack boot may not be as easy as everyone is saying. Does your car have a steering damper? If so you may need to pull off the rack-end depending on what side your doing.

Also I'd recommend doing both boots, if ones fucked chances are the other wont be far away.