Defining Stages of the Sale:
https://youtu.be/k8rrcWex0Ss
Stalls in the Sales Process:
https://youtu.be/zJn_6qhEPz4
Signals in the Sales Process:
https://youtu.be/dLf_pGLoQcQ
Examples: Stages of the Sale
https://youtu.be/ilpBlJ_1zpw
https://youtu.be/-ZAaBtsLeSw