Cedar Consulting provides their top 5 tips for a successful upgrade to PeopleSoft 9.2: 1. Simplify customizations and testing strategies before upgrading. 2. Review architecture and confirm hardware, software versions and environments. 3. Adopt the new Fluid user interface for responsive mobile access. 4. Leverage regular PeopleSoft Update Manager releases to get fixes and stay current. 5. Access new features like WorkCenters and plan post-upgrade optimizations over 3-5 years on the 9.2 platform.