I guess I worded my post incorrectly.  No problem with the feet contacting the ground, it's the "sliding foot" routine I'm talking about.  The walk cycles are made up of a few key poses and a little tweaking so I agree -

 One frame at a time is NOT  the way to animate or edit an animation Please dont listen to uninformed/ inexperienced people who WRONGLY say it is.

But once I have the cycle done, the feet skate across the floor rather than staying in one position during the half stride.  It's repositioning that foot to stay in the same spot that takes all the time.  Obviously, when you walk, your "plant foot" doesn't move during the half stride.  I'm trying to avoid the look that the figure is ice skating across the floor.

Once I have the plant done for both feet in the full stride, I wish there was a way to move all the positions up to the next stride - if that makes any sense.