Automation should encode a real customer journey, not exist because a competitor has a flowchart screenshot.
Useful automation needs events: purchases, page views, tags, scores. If your CRM data is chaotic, fix data before building 40-branch monsters.
If you send one newsletter a month to 300 fans, a simple campaign tool may beat a complex automation suite. Complexity has a maintenance cost.
We score automation heavily in reviews because power users live or die by it — see ActiveCampaign vs lighter tools on the main ranking.
Omnisend's 2026 report, drawing on 2025 data, puts automated messages at roughly 22 times the revenue of ordinary campaigns, with welcome and cart-abandonment flows together generating about 76% of all automation revenue. Welcome emails averaged a 35.53% open rate, 2.11% conversion and $6.16 per email; abandoned cart averaged 35.75% open, 1.51% conversion and $2.54 per email — and just under 40% of everyone who clicked a cart email bought.
Read those as direction rather than promises: they are ecommerce averages, and your list, price point and category will move every one of them. The direction is unambiguous, though. Two flows carry most of the value, and both are triggered by something the customer just did.
Automation is only as good as the events feeding it: purchases, page views, tags, form submissions. If your contact data is inconsistent, a complex flow will apply that inconsistency faster and more often. Fix the inputs, then build. A useful rule is that every branch must correspond to a difference in what you would actually say — if two paths send similar messages, they are one path.
Set a global frequency cap so someone who triggers three flows in a week does not receive nine emails. Make sure a purchase removes a person from the cart sequence immediately — nothing erodes trust faster than being chased for something already bought. Give every flow a defined end.
One newsletter a month to three hundred people does not need a workflow engine; it needs a good newsletter. Automation earns its complexity when there are enough recipients and enough distinct behaviours that manual sending cannot keep up. Below that, a simpler tool wins on both cost and the time you spend maintaining it.
Flows rot quietly: they reference discontinued products, expired offers and pages that have moved. Read every automated message end to end once a quarter, as a subscriber would. It is the least glamorous item on this page and the one that most often finds real damage.
The welcome flow. It reaches people at peak attention and, with cart abandonment, accounts for roughly three quarters of automation revenue in published ecommerce benchmarks.
Two or three that are actually read beat a long course that is not. Deliver what you promised, set expectations, and give one clear next step.
Only without a frequency cap and clean exit rules. The complaints come from being chased after purchase or receiving several flows at once, not from automation as such.