Thanks David,
Your experience echos what I'm learning. That is, the concept of a base/original version that is copied and saved with various alternatives. Once a path is taken, then that version accepts all the modifications into the base/original copy, and becomes the master/final.
In my case, there are three separate aspects to the planned remodel project. I have a copy of the base for each of these subproject. How these are consolidated once complete will be an interesting bridge to cross. From what I gather there are multiple ways to copy elements from one plan to another.
Will figure out ways to designate current/planned elements on the plan if requested. Otherwise, just adding a few notes onto the plan/views hopefully suffices.