Originally Posted by Old Fool
I am just a back yard hack, never been in the business.
By far the easiest I have ever hung doors is using an overhead crane.
Put a choker around the door so it hangs in a balanced upright position.
Fly it to the door opening, lower into place.
A few bumps of the control buttons to align and done, ready for final alignment. Total time per door maybe 3 minutes.
I like this idea as well.
I just happen to have an electric overhead winch attached to my hoist.