What you'll need
Three accounts. Free or close to it.
n8nFree self-hosted, or n8n Cloud starting $20/mo
OpenAI API keyPay-as-you-go, ~$0.001 per monthly run
Your CRM or POSAPI access from Shopify, Klaviyo, Mindbody, HubSpot
Email tool with tagsKlaviyo, HubSpot, Mailchimp, ActiveCampaign
The math
What this is worth, conservatively
Revenue per send for segmented vs untargeted email3 to 5x
SourceKlaviyo benchmarks
Brand sending 8 campaigns/mo at $1,500 avg revenue per send$24K to $48K extra/yr
Time saved building segments by hand2 to 3 hrs/month
Cost to run this template forever~$0.12/year
Numbers from Klaviyo's email benchmark reports. Your real lift depends on whether your team actually sends segment-specific creative or sends the same email to every segment.