When Pryce is waiting for Nacho, we see the license plate "PLAYUH" but when Nacho reads the registration, it says, "29QSBN."
Whenever Jimmy shuts off his car the engine does it's "death rattle" yet the car's body never shakes as it should.
When Nacho reads the registration, we see Pryce's address as "216 Bellingham Court" but when the police show up, the address is "7729 -street unknown-"
Though set in 2002, the plastic bag that Jimmy has his cell phone in while in the pool is a Ziplock bag with "Easy-Open Tabs," which did not hit the market until 2015.
Given that Jimmy and Kim just scammed Ken the broker for a bar bill totaling probably a couple of thousand dollars, the last place Jimmy would continue to hang out is at the same hotel where the scam took place, just in case the broker also hangs out there.