https://www.data2crm.com/migration/blog/crm-sales-funnel/?utm_source=crm-sales-funnel&utm_medium=february_2018&utm_campaign=BlogPosts&fbclid=IwAR1kV7adp1cl4WILekVRnUVB8Wkoo4R4b8HBQ77FCAUGWQK2ioLF9CvmfEc