What are some techniques to import a list of points in x, y, and z? Many they be separate features or a grouped? (Manual Entry Vs. Batch Entry) (Single Entry Vs. Multple Entry)
I'm not sure I fully understand your question, but to insert single points you should look at precise input within a 3D sketch.
For batch input, you can import (X,Y,Z) points from an excel file: http://wikihelp.autodesk.com/enu?adskContextId=TOO