Question

What inconsistency does nick catch about where gatsby’s money came from? from where does gatsby tell nick he got his money?

Answer 1

The inconsistency that Nick catches about where Gatsby's money came from is that Gatsby slips up a little when he says it took him three years to earn the money for it, and when Nick questions his earlier statement that he inherited the money.  
Thank you for trusting brainly! Hope this helps.