In most of the cases, no. If it was a major bug or a big loss of value/money, we will consider looking into it. If you feel like your loss was big enough, contact us!
Join the Discord for more informations about the current bug report system. If the bug is game breaking, like duping, you have a chance of getting a price too!
Unfortunatly, we can't provide any refunds. If you want to you can tell us why you want to refund it, so we can improve the functions of the thing you bought. But at the current situation, refunds are impossible.