Are you for real? Did you even see me telling you twice so far (this would be #3) that you CAN set a minimum price, and a lot of creators DO?
i have never encountered it, i just delete the number by clicking on it and it says 0.00 and then i can purchase anything for zero dollars...
Then either you’ve encountered an extremely serious bug that could ruin Itch’s reputation, or you’ve missed the part that reads “This game is free but the developer accepts your support by letting you pay what you think is fair for the game”.