Start from a template when your process resembles a common one and you mainly need to change names, roles and timing. Build from scratch when the process is genuinely your own. This hands-on workshop does both, including automating recurring tasks such as monthly inspections.
Video: Workflow Workshop on YouTube
The hard part of a workflow is rarely the builder. It is deciding what the steps actually are, who owns each one, and what ought to happen without anyone asking. Teams that map the process on paper first usually finish in an afternoon; teams that start by clicking usually build it three times.