How Should the American Church Prepare Itself for Persecution?

Questions about how the “fat and happy” American church should prepare itself for persecution, whether the fact that Jesus only appeared to his followers renders their testimony suspicious, and whether it’s a sin to work for a Christian publisher that’s printing heretical books.

• In what practical ways should the “fat and happy” American church prepare itself for the level of persecution spoken of in the book of Revelation?
• If Jesus only appeared to his followers after his resurrection, isn’t their testimony suspicious?
• Is it a sin for me to continue to work for a Christian publisher that has been printing heretical books, mixing spiritism with Christianity and promoting sin?