The voice of Jesus explained to David—because it instructed the apostles 2,000 several years prior to, “Freely you have obtained; freely give.” As a result David has never charged for his time, instructing or any of the various materials he provides away, but has become supported solely by love offerings. https://www.youtube.com/playlist?list=PLXR6KmNsDBjSQgdIOJ1JFzHP8923tHwyl