Do you have any reference material on using neo4j for complex pricing - we're looking at using neo4j for this, and some evidence that it's going well in other places will increase the comfort level.
Off the top of my head, I know of two big and complex pricing engine projects in production. One is the Marriott one I referenced in a previous post. Scott Grimes spoke about it at GraphConnect 2016:
https://www.youtube.com/watch?v=wdFYEuWWpzo
The other one is confidential but is in the airline industry.