Dude all I have to say is Amazon is your friend. I picked up a bunch of flat falls recently. The worst price was from Melton's and was still cheaper than what you are asking by a pretty fair amount. Good luck with the sale but I think those are yours to keep.
LongFin in Orange has a full stock of all colors and sizes. $12/ Each. I was there yesterday.
Absolutely you do not want the knock offs. Going price is $12.95 to $17.79. My orders came from Mahi Tackle, Jig Stop, Pelagic, and Meltons, Meltons price was the highest and their shipping also exceeded the cost from the other vendors. Link Below.
Shimano Butterfly Flat-Fall Jigs
16 customer reviews
Price: $12.95 - $17.79
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The greatest thing that has come out of this thread is that everyone is getting educated on the jigs and the knock offs
Lol. This thread is about you trying to bleed some folks dry. The jigs are available everywhere. All tackle shops I have been in have them. As does Amazon, as does eBay.
Be real, you can't pretend to be altruistic when selling 15$ jigs for 30$.