Totally feel this, Clay's custom fields sync via direct API to your CRM (like HubSpot or GHL), so you map 'em in the enrichment table (e.g., button > Custom Field > Link to 'Job Title' or whatever). It pulls from 75+ sources in a waterfall for 95% coverage, auto-updating records without overwriting unless you set rules. Mismatch? Clay flags 'em (e.g., domain vs. LinkedIn company) but won't auto-fix—could waste credits or ding data hygiene if not conditional. Pro tip: Add a 'Last Enriched' date field to avoid re-running everything. That said, the real magic's in conditional logic to prevent overwrites + bulk fixes. DM me if you want my quick template—I've saved clients hours on this exact setup! DM I invite you, for tying back to your services (Clay/Shopify/GHL integrations).