Optin · Case studies

Proof.
Compounding.

The reference case for every Optin engagement is below. The full-stack Audience-to-Pipeline cases are still in flight. As they close their first quarters, this is where they'll live.

01Anchor case

Walker Deibel.
Wealth Stack Weekly.

M&A operator audience · Selective Distribution™

0 to 300K in 12 months.
Zero paid acquisition.

Walker Deibel — operator, M&A advisor, founder of Wealth Stack Weekly — built a 300K+ ICP newsletter from zero on Optin's Selective Distribution infrastructure. Sustained 48% open rate year over year. The audience anchors Stage 1 of every Audience-to-Pipeline engagement.

The case proves the engine: verified ICP at scale, in an owned file, with no paid spend. The math holds across deal size and vertical.

300K
ICP subscribers built in 12 months
48%
Sustained open rate year over year
$0
Paid acquisition spend
01 · ICP

M&A operators.
Buy-then-build.

Founders, search funds, micro-PE, and small-cap M&A advisors — the operator class buying and building businesses under $50M EV.

02 · Method

Selective Distribution.
Pre-warmed pool.

Placement-driven acquisition across our proprietary domain pool. Engagement-filtered weekly. Migrated to Walker's ESP under his brand.

03 · Cadence

Weekly publication.
One issue, every Sunday.

Editorial discipline maintained through the ramp. Open rate did not degrade as the audience scaled — engagement filter held the line.

04 · Asset

Owned forever.
Walker's file.

The audience lives in Walker's ESP, under his domain, under his brand. The compounding continues without Optin in the loop.

02Active engagements

In flight.
Case studies pending.

Audience-to-Pipeline clients are running their engagements now. As each completes its 90-day cycle, the full-stack case study lives here — audience numbers, captured leads, booked meetings, closed revenue. The math gets specific.

To fill — pending close
B2B SaaS · Finance

Case TK.
Client 01.

[Placeholder] AR automation platform selling to CFOs and VPs of Finance at mid-market SaaS firms. ICP: $25M–$250M ARR. Full Audience-to-Pipeline stack.

Ramp complete: TK
Subscribers: TK
Captures · meetings: TK
To fill — pending close
B2B SaaS · GTM

Case TK.
Client 02.

[Placeholder] Sales-tech platform. ICP: VPs of Sales at mid-market and enterprise B2B SaaS. Audience-to-Pipeline running against high-titled segment.

Ramp complete: TK
Subscribers: TK
Captures · meetings: TK
To fill — pending close
B2B SaaS · Vertical

Case TK.
Client 03.

[Placeholder] Vertical SaaS platform. ICP: operations leaders in a defined industry vertical. Full stack with content layer co-owned by client team.

Ramp complete: TK
Subscribers: TK
Captures · meetings: TK

03 · Become a case

Become a published case.
One vertical at a time.

Audience-to-Pipeline clients become the named, published case studies for their vertical. ICP, ACV, and sales motion screened in advance.