A Salt and Battery (fish & chips place)

Host an open mic night.

Or a knitting social night

It is their hobby, and they don’t need to make money, maybe they are independently wealthy

Also, they became their own boss, to have better working hours, not worse hours

Put out your own tables before she gets there, put out the same amount of merch as she does.

Find a vehicle, eg a van, put your sign on it, basically block “her” space before she gets there

Make more cheaper ones

Or make keepsake or jewelry boxes instead. If they’re beautiful, it makes more sense, because they get to stay beautiful, unlike a cutting board

I worked in retail, how many times did I hear “no price in the computer? So then it’s free?” “Almost closing time? It should be half price” Customers can really act like idiots, you don’t have to respond when they are acting like that

How about a Round Tuit?