The Setup: What Was Actually Sent
Over 90 days, I sent 10,000 cold emails to B2B decision-makers in SaaS and e-commerce. I used 4 tools (Instantly, Lemlist, Apollo, and manual Gmail) across 3 campaign types: value offers, case study-led outreach, and pain-point cold pitches. Every email was tracked for open, click, reply, and conversion.
The Raw Results
| Metric | Campaign A (Value) | Campaign B (Case Study) | Campaign C (Pain Point) | Average |
|---|---|---|---|---|
| Emails sent | 3,500 | 3,500 | 3,000 | 10,000 |
| Open rate | 38% | 31% | 44% | 38% |
| Reply rate | 4.2% | 6.8% | 3.1% | 4.7% |
| Positive reply rate | 1.8% | 3.4% | 1.2% | 2.1% |
| Meetings booked | 12 | 28 | 8 | 48 total |
| Closed deals | 2 | 7 | 1 | 10 total |
⚠️The hard math: 10,000 emails, 200 hours, $300 in tool costs, 10 closed deals averaging $200 each. Total revenue: $2,000. ROI: 6.7:1. That is barely above what a simple newsletter to an opted-in list achieves - with a fraction of the effort.
What Actually Worked
- Case study-led outreach had 2x the positive reply rate of value-based emails
- Hyper-specific targeting (companies with 20-50 employees using specific tools) outperformed broad lists by 4x
- Short emails under 80 words outperformed long emails by 3.2x for replies
- Follow-up sequences generated 60% of all replies - mostly from email 3 or 4
- Personalized first lines based on LinkedIn activity increased opens by 22%
Cold Email vs Bulk Email: The Clear Line
Cold email: B2B outreach to prospects who have not yet opted in. Specialist tools like Instantly, Lemlist, or Apollo are purpose-built for this - they handle mailbox warm-up, low daily volumes, and outreach sequencing.
Bulk email: Opted-in subscribers who signed up for your list. Use LoomiMail. Volume: unlimited. Cost: $11 per 100K emails vs $200-400/month for cold email tools. Far better ROI at scale.
Have an opted-in list? Send for $11 per 100K with LoomiMail
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