IF WE GO, it's because we are going with friends. I'm liquidating my personal collection and am not looking to buy. Dealers want to pay 10 cents on the dollar and sell for $2 on the dollar.
Big Top Gun Shows "says" they are the best but no concealed carry is allowed, no knives except in sheaths, no cell phones (or cameras), etc. They charge $12 locally for 1/2 of a building of tables.
WA Gun Collectors only allow members to buy or sell. You MUST be nominated by a member (who will charge you a fee!).
Los Angeles used to have a good one= 4-6 buildings at the Fair Grounds-twice a year. But the County said no guns, so.............. Saw lot's of celebs (Wilt Chamberlain is TALL!). A lot of wanna-be cowboys in "Shady Brady's", Mall Ninjas in camo (saw one guy looking at an AK-couldn't pull the bolt back, so he "Kick-started" it like a motorcycle.) and the guys in wheelchairs blocking the aisles while they spout their immense pseudo-knowledge of minutia about the "1797 predecessors of Mauser rifles."
No=don't need it!
I think that happens in places/venues that draw inexperienced gun buyers. The ones I go to are frequented by good ole boys who know the price and value of a gun. Overpriced stuff won't sell. The prices I see are good, and I can sometimes find stuff that's not available in stores. The vendors here have stores, and basically bring the loss leaders to the show, planning on getting people to the store. I've seen where you can buy a scope, then bring it to the store for free mounting and sighting. Not a bad deal. Not all dealers are stupid. I have a couple of guns on my list that I would get; but mostly go for brass and reloading components.