We're not going to have a productive conversation if you assume anyone who disagrees with your political positions is incapable of or unwilling to read.

Yes, a private individual could liquidate their closet of guns they don't want anymore at a gun show without being legally required to conduct a background check. They can't have "stock" or "inventory" or otherwise resemble any attempt to be in the business of selling firearms or they're going to get a nasty visit from BATFE.