If an upcoming project includes any kind of technology change, such as adding or enhancing a solution delivered as Software as a Service (SaaS) or being custom built for you by a third-party, attention to the that vendor relationship is important.  Looking critically at your relationship, whether new or well established, should be part of your start up process.  This can help you to avoid obstacles, surprises, or conflicts that, at minimum, could cause delays or, worse, cause you to terminate your project.