As long as you sell your wares from the start instead of giving them away for free only to charge them exorbitant fees once your victims get hooked. Timothy Appnel exhibits dissonance:

I’ve personally released quite a bit of open source code myself and will continue to do so. However this apparent expectation of the vocal part of community that it is their right to have all great works of software at no cost is bothersome. If users don’t have the funds or won’t pay on principle for my time, effort or talent — how do I eat?

It isn’t “our right” to have “all great works of software at no cost.” It never has been, despite our outroar. However, we can pillory the proud. [eee!] is hardly as important, as, say, disposable razor refills, and if their impression was that way, the fault is all theirs.