Cold email works — but every solo founder who tries it makes the same mistake: send blind, get zero replies, blame the leads. The truth is most cold campaigns can't tell the difference between a bad list, a bad subject line, a bad offer, and bad timing.
Without instrumentation you're flying blind. You don't know if your emails are landing in spam, if prospects are opening them and not replying, or if you just have the wrong list entirely. Then you scale a broken campaign, burn your domain, and give up.
A 10-module pipeline where every stage produces data — so you can see exactly where conversion breaks, not just that it broke.
python run.py funnel — counts at every stage, split by variant and lead quality tier. One command, full picture.This is the point of the project. You can't separate a lead-quality problem from a messaging problem without funnel data. Track every stage and the break point names the cause:
| Funnel stage | If it drops here → |
|---|---|
| Scraped → email found | Lead data quality — bad or missing contacts |
| Sent → delivered (not bounced) | List hygiene / domain reputation |
| Delivered → opened | Subject line or sender trust |
| Opened → replied | Messaging or offer |
| Replied → positive | Targeting — wrong niche, person, or budget |
The A/B split and quality tiering point at which lever to pull next. Without this data you're guessing. With it, you're fixing the right thing.
Instrumented funnel running daily. A/B test active across pain-led and outcome-led variants. Diagnostic report shows in one command which stage is the bottleneck — list quality, deliverability, opens, or messaging.
For any business doing B2B outreach: this replaces 10–20 hours of manual prospecting and writing per week. The meta-saving is larger — it stops you from scaling a campaign that's broken at the messaging stage when you actually have a list problem.
Start with the $500 AI Workflow Audit — we scope exactly what an outreach pipeline for your niche would look like and what it'd cost to build.
Book the $500 Audit →