Can anyone give me an idea of how long it takes "roughly" to replace the lower control arms on a '99 2500 4x4?

 

If the bolts are not siezed in the bushings about 1/2 hour.

 

You shouldnt have a problem with the drivers side. The other side where the a/c drips out. Both my upper and lover bolts were stuck. Had to brake the heads of the bolts off and use a air hammer to get them out. Was not expensive, I want to say it was no more than 30 for both bolts and nuts from the dealer.