I've been making a bunch in order to gain the achievement for doing so. I was curious as to whether there's any point selling them? Everyone can access the Shrine, so I was thinking there'd be no value to them, yet I see them for sale by others.

Some of them (they tend to be more expensive) are helpful in battle, for the purposes of the achievement I personally just made the cheapies which don't have any real value.

Never had any real experience selling them, but they probably aren't too easy to sell unless a specific opponent in an event needs a specific scroll or something :)

Thanks! I'll just keep with the cheapo ones for the achievement. ^_^