Is it a crime to put your life into creating something, marketing it extremely well, attracting a ton of avid fans/users, and deciding that he or she doesn't want others undercutting the price?
No. Copyright infringement is a crime, however.
19 13 14 Why, then, the law? It was added for transgressions, until the descendant came to whom the promise had been made; it was promulgated by angels at the hand of a mediator. 20 Now there is no mediator when only one party is involved, and God is one. 21 Is the law then opposed to the promises (of God)? Of course not! For if a law had been given that could bring life, then righteousness would in reality come from the law. 22 But scripture confined all things under the power of sin, that through faith in Jesus Christ the promise might be given to those who believe. 23 15 Before faith came, we were held in custody under law, confined for the faith that was to be revealed. 24 Consequently, the law was our disciplinarian 16 for Christ, that we might be justified by faith. 25 But now that faith has come, we are no longer under a disciplinarian. 26 For through faith you are all children of God 17 in Christ Jesus.