A Life long collection that must go. Some pics to scan through

Yeah you would need to hire helpers to pack and ship.
I think I would hold "come and get it" events. Like Memorial Day, Independance Day, Labor Day, or 3rd saturday of each month, whatever works best.
Everything leftover would go to one buyer even if it was a scrap metal dealer.
You would need ample parking, potra-potty(s), etc.. That's about the only way you could get any enjoyment from liquidating your lifetime collection.
If you could hook up with a local car club, let them promote the events, sell hot dog plates, do whatever they do, they could make a profit also.