For me, one aspect is releasing a useful app, and users immediately screaming 'why isn't it free?' + 'anyone could have made that, I don't see why you should ch

For me, one aspect is releasing a useful app, and users immediately screaming 'why isn't it free?' + 'anyone could have made that, I don't see why you should charge'. And losing all momentum on launch. People have been spoiled by large companies releasing apps that costs tens of thousands/hundreds of thousands to develop. And have huge server and maintenance costs for free(lets just say you don't pay with money..)