Jesus gave food to the 5,000, but this was clearly not his usual practice. This instruction would not have been needed if that had been the practice of the group all along. When Jesus told the 12 to travel without money, it was for a short journey, and for a lesson in faith, not a normal practice. A life of faith does not require a life of destitution. But it is clear that riches can be an enemy of faith.
Faith is needed by both rich and poor.
At another dinner, Jesus scathingly criticized the Jewish religious leaders, including their use of money. But we see no record of the disciples actually giving everything away. Since wealth is a powerful tool of self-exaltation, it tempts anyone who has it. Jesus told the rich to give to the poor. Jesus' statement, succinctly describing the tendency of money to vie for our allegiance, challenges us to purify our priorities.