Rarely any deals. Vendors need to recover their costs for setting up there, traveling etc. I recommend you stick with esssblished local brick and mortar stores who will be there after a sale if you have any issues etc.[
I went a few years ago. At that time the parking lot, or what serves as a lot, was full of mud. The venue was dark and as I recall ventilation was iffy. I might hit Marlboro next weekend and try Sunday for a change. In 15 years, I've only bought three guns at shows. All three were good deals, but they were unicorns in a field of over priced plow horses.
As bottle-cap points out, there is significant cost to setting up at a gun show, so bargains are rare. The only real advantage is that (at least it used to be) there are a lot of vendors in one place and you can walk around and see who has what.
Me thinks they relying on shoppers to buy out of frustration.
They could make more money if they sold more stuff.
These vendors might as well be one store as they seem to set prices amongst themselves and stick to it.
There is room at the plymouth venue as there are fewer vendors.