What are the rules for tipping?

Paul Lane and Marc Fandetti chat about revenge spending pushing prices higher, but we might see this trend reverse soon. Ted Rossman, Bankrate.com, joins the show to talk about tipping culture and what are some of the guidelines he sees for tipping. Janet Yellen says decoupling from China would be a disaster for the US. Food prices rise even as inflation eases. Renters might be finally getting the upper hand.