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Cannonball GTM · May 27, 2026

The Cannonball GTM Two-Week Test Protocol

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Andy Wibbels, Cannonball GTM · Cannonball GTM

The road to sales pipeline is littered with campaigns that were broken from the start and “optimized” for the next two months anyway.

The team tweaked subject lines. Debated open rates. Added a softer CTA. Built a fancy dashboard. Held a postmortem.

None of it mattered, because the campaign never proved the only thing worth proving: Can this segment, with this pain, through this channel, produce meetings?

That’s what the CannonballGTM Two-Week Protocol is for.

Fourteen days. One campaign. One segment test. One message test. One goal: get to 10 meetings, or know exactly why you didn’t.

If you missed the MBR Calculator, read that first. If you want the overall foundation, jump over to the Outbound Campaign Testing Bible.

MBR matters, but it is still a rate. The real goal is simpler: 10 meetings. Per campaign. On the calendar.

Why ten?

Credibility. No…

Read the original on cannonballgtm.substack.com

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