The idea of a successful, do it yourself negotiation against the legacy core IT oligopoly is a MYTH. Many bankers in the industry are fooled, tricked and led to believe they have a good technology deal from their Core, IT or Fintech supplier, Like Banker Daniel, they end up getting the rug pulled over their eyes by the oligopoly. 

We made a movie about how Banker Daniel got screwed during his renewal that cost his bank MILLIONS - so you don't have to.