Emarsys：2025年建议书指南报告-计划、编写和管理成功的建议书（英文版）

One of the most common mistakes is underestimating how long an RFP will take to complete. Your timeline will be unique to your business. In particular, time to migrate can vary greatly. The more vendors you invite to the RFP, the more time you’ll need for presentations and review. An RFP will always take longer than you expect, so plan for it to run long! As a general rule, after you estimate your timeline, you should double it. Be sure to plan your timeline around your existing contract. You