People tend to dog Gander a lot but the same ignorance that prompts them to price a used Tikka T3 at almost a grand also works to the buyers advantage. You just have to go there a lot.
Here are some of the deals I have gotten just in the last year, all were LNIB unless noted:
FN SLP - $500
Ruger 10/22
WMR - $150
Winchester 9410 packer - $325
Mossberg 500 Home Defense - $111
Browning T-bolt .17 HMR - $275
Marlin 45/70 Guide Gun - $275
very early Marlin 39a (90%+)- $225
Winchester 97 factory riot (95%) - $325
There are more I can't think of and I won't go into all of the pistol deals I have scored there over the years. Last time I bought a gun the guy at the counter joked I had almost 50 purchases at that store and I never buy from them unless it is a good deal.
I bought the SLP from them when they were selling on Gunbroker for over a grand (in December IIRC). I was going to just turn it over until I shot it and became smitten.
The guns that are over priced sit forever but when they put grossly underpriced ones out they usually sell withing a day or two. I make it a point to stop in on my lunch at least twice a week. I should keep my mouth shut though, the more price savvy gun buyers stay away the better it is for me