Normal people who earn a living tip 15% - 20%.

Calabro Jr can afford to be extravagant right now because he's spending money stolen from other people.

All of his extravagances (new trucks, cars, watches, guns, etc.) are going to be confiscated and/or required to be sold (clawbacks) once he's declared a "net winner" in the Ponzi Schemes he participates in...