I see. I arrived at the $18 through trial and error. It's very new though. It used to be $14, which was way too low. Following common startup advice, I raised t

I see. I arrived at the $18 through trial and error. It's very new though. It used to be $14, which was way too low. Following common startup advice, I raised to $28. Sales halved so there was no advantage. So now I'm trying $18.