How much are wild blackberries worth?

I don't know that anyone picks wild blackberries any more. When I was a kid we'd pick a gallon and turn it into some of the nastiest tasting wine you could ever imagine. We were kids and it got us somewhat drunk lol.
For the last couple of years the rain came at the wrong time and we only got a few dried up berries. This year however, we in NW Arkansas will have a bumper crop of blackberries.
I'm going to gird my loins against chiggers, ticks and other biting insects. I'm gonna strap on my .22 caliber pistol with rat shot for those deadly stick snakes that inhabit blackberry bushes and I'm gonna pick a few gallons. I don't think I've ever seen any for sale in farmer's markets so just not too sure how much to charge for a quart if I decide to sell them. What would you charge for a quart of wild blackberries?

We have been selling them for $4.50 a quart and they are gone by 8 in the morning.  I was told the farmers market in Dalton sells them for $6.00 a quart.  We make brandy out of them.  They are loaded this year.

We used to own property where there were tons of wild blackberry bushes.  I picked as many as I could and froze them.

I liked to make lots of blackberry cobblers with them.

I am not much into buying them and wouldn't want to sell my stash if I had any.