sachacoldiq/list-building-tips
skills/list-building-tips/SKILL.md
Pro tips for B2B list building - source mixing, enrichment workflow, template usage, and efficiency principles. Use when building prospect lists, optimizing data quality, or improving prospecting efficiency.
$ install --global
skillsauthnpx skillsauth add sachacoldiq/coldiq-s-gtm-skills list-building-tipsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- list-building-tips
- description:
- Pro tips for B2B list building - source mixing, enrichment workflow, template usage, and efficiency principles. Use when building prospect lists, optimizing data quality, or improving prospecting efficiency.
List Building Pro Tips
Core Principles
1. Mix Sources
- Don't rely on just one data provider
- Each source has different strengths/coverage
- Combine for maximum coverage
2. Scraping = Step 1
- Raw scraped data is just the beginning
- Still need Clay enrichment for:
- Email verification
- Phone numbers
- Company data
- Custom signals
3. Templates Are Modular
- Start with proven templates
- Adjust for specific campaign goals
- Don't rebuild from scratch
4. Don't Reinvent the Wheel
- Use existing Clay templates
- Modify rather than create
- Learn from what works
Data Quality Hierarchy
1. Verified email (bounced < 2%)
2. Direct phone number
3. Recent activity signal
4. ICP fit confirmed
5. Company enrichment complete
Efficiency Benchmarks
| Task | Manual Time | With Clay | |------|-------------|-----------| | 100 prospects | 8-10 hours | 30 min | | 500 prospects | 40+ hours | 1-2 hours | | 1000 prospects | 80+ hours | 2-3 hours |
Quality Checklist
Before launching any campaign:
- [ ] Email bounce rate < 2%
- [ ] At least 70% email coverage
- [ ] ICP criteria verified
- [ ] Recent signals tagged
- [ ] Duplicates removed
- [ ] Competitor customers flagged
- [ ] Do-not-contact list checked
Common Mistakes
- Single source reliance - Limits coverage
- Skipping verification - Kills deliverability
- Over-filtering - Shrinks TAM too much
- Under-filtering - Wastes outreach on bad fits
- Ignoring signals - Missing hot prospects
Combines with
| Skill | Why |
|-------|-----|
| lead-sources-guide | Choose right sources |
| clay-enrichment-9step | Full enrichment workflow |
| email-metrics-benchmarks | Track deliverability |
| clay-buying-signals-5 | Add signals to lists |
Example prompts
Review my list building workflow against the quality checklist.
What's the fastest way to build a 500-prospect list for fintech CFOs?
How do I diagnose why my email bounce rate is above 2%?
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