What you'll need
Four accounts. Mostly free.
n8n
Free self-hosted, or n8n Cloud starting $20/mo
OpenAI API key
Pay-as-you-go, ~$0.0002 per submission
CRM with REST API
HubSpot, Salesforce, Pipedrive, Zoho, Close
Slack workspace
Free tier is fine for inbound alerts
The math
What this is worth, conservatively
Average response time before automation (industry)
42 hours
Response time with this workflow
under 1 minute
Conversion lift on sub-5-min response (Harvard study)
7x
Business with 200 leads/mo, $400 average deal
~$8,000/mo recovered
Cost to run this template forever
~$3/month
Numbers based on the Harvard Business Review lead response study and average B2B deal sizes. Your actual results vary with lead quality and your sales process.