How does the friar spend the money he earns through hearing confession?

The friar spends the money he earns from hearing confessions on personal indulgences rather than for charitable purposes. He uses it to support a lavish lifestyle, including fine food and drink, which contradicts the vows of poverty and simplicity typically associated with his role. This behavior highlights his hypocrisy and the corruption present within some religious figures, as he prioritizes personal gain over spiritual duty.