Local markets: Is it a good event to sell art?

During this year I've attended only three markets. The results give a clear answer: It is worth it, but don't expect too many gains. As an example, I sell my art at a reasonable price: For less than the hours I spent, but for enough to cover expenses. My style is semi/realistic, and many people just walk away because it's not their style.
Selling in markets is usually not for free. You have to pay a fee to attend them. And the longer the stay, the more expensive it gets. Of course you have to pay before the D-day. So you start with some loss of money. Let's add the materials you had to use to create your pieces, whether it's traditional or digital. It is expensive, and it can't be denied.
It's true that traditional art is seen as "real" art, while digital is still widely seen as "fake art" (next post I publish will explain deeply all about digital art). Traditional artists may have better chances of selling. But I am not, so I'll speak for myself, and my experience as a digital artist.
I've seen plenty of expressions when people look at my art. Some are interested, others are impressed, and of course, there's the haters. So far, many people has shown interest in my work, but none of the ones asking about it bought anything, they just wanted to know more about it. The ones who bought either prints or mugs were the ones that passed by and didn't really mind the process behind, only the results because they thought it looked cool (and it prides me, thanks). While I kept seeing many faces brighten, the "woahs" of kids and adults, and the multiple giggles towards my A-Cat sarcasm, I also noticed the negative looks of certain individuals. 
From the first market I learnt something important: The need of a warning sign. I lost count on how many people thought I was doing photo manipulation, and I still remember who laughed and pointed at my prints saying it was AI. So, on the next markets I brought a notice paper saying that it is neither of these, and the average amount of time it takes me to make the pieces. I didn't really expect anyone to read it, but they did! And the questions almost disappeared. Still, because of the invisibility of digital art, some still thought it was made by the computer itself. People started buying my art, after acknowledging it is handmade. Yet, there's always those who ignore the signs in front of them, pass by, far enough to think we can't see them (because sellers can't see 0.5 meters far from our stand, you know), and laughing whilst pointing at us. Someone read the note and asked if it was already needed to mention it's not AI. Sadly, yes, it is already necessary.
But it doesn't matter. I know my work, the effort, the value, and the endeavour from my patron, being the one who made it all possible, from prints to attending markets. That's what those haters don't see, what the visitors ignore, unless another artist stops to look around. 
For now I can proudly say that, after the risks, the learning, the nerves, and expenses, it is worth to sell art in local markets. But you need patience, and you need to sell at a reasonable price. Don't try to make dozens of pieces, that can work against you in many ways. Instead, make it look like the person is getting their unique example, as it would happen with traditional art. 
I won't enter in detail on how to be a good seller, that's something that I am not, and I'm far from being. Indeed, I had some previous knowledge due to my experiences in Spain, and I'm glad my patron is the one speaking (since I don't speak proper German). All I can say now is that from behind the stands, you see the world in a different way!

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