What then is my reward? That in preaching the gospel I may offer it free of charge, and so not use up my rights in preaching it.
KJV
What is my reward then? [Verily] that, when I preach the gospel, I may make the gospel of Christ without charge, that I abuse not my power in the gospel.
ASV
What then is my reward? That, when I preach the gospel, I may make the gospel without charge, so as not to use to the full my right in the gospel.