#pricing fails

so there i was at a craft fair last year... first time selling my 3d printed 'art'... tbh i had zero idea what i was doing. i made this... thing... that was supposed to be a 'modern abstract cat' but it just looked like someone puked plastic near a toaster. i had a sign that said 'limited edition' and 'handcrafted with love'... and i priced it at $500. no joke. one guy actually bought it because he thought it was a 'postmodern commentary on consumerism' or some bs. i still have the receipt... it haunts me. imo this is why we can't have nice things. how do people even set prices without straight up robbing their customers??