#177: Building Multi-product Vertical SaaS With a Tiny Team - Robin Eissler

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Jan 2, 2026

Robin Eissler, founder and CEO of BoosterHub, shares her journey from private jet broker to building a vertical SaaS for high school booster clubs. She discusses how her all-in-one platform streamlines payments, fundraising, and accounting, serving nearly 600 clubs. With a tiny team, Robin reveals how they handle seasonal revenue swings and embrace sticky customer relationships. She highlights the advantages of founder-led marketing and using AI for efficiency, all while remaining bootstrapped and on the path to profitability.

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INSIGHT

All-In-One Vertical Wins

BoosterHub bundles CRM, fundraising, payments, POS, merchandise and accounting into one vertical platform for booster clubs.
Owning the system of record makes the product sticky and expands customer value over time.

INSIGHT

Booster Clubs Are A Large Fragmented Market

Booster clubs are nonprofit parent-run organizations that raise money for extracurriculars due to reduced school funding.
These groups vary widely in size and sophistication, creating a fragmented but large addressable market.

INSIGHT

Tiny Teams Can Build Big SaaS

BoosterHub scales with a tiny core team: two full-time employees plus five long-term contractors and offshore devs.
Modern tooling, automation, and focused systems let small teams support hundreds of customers and heavy transaction volume.

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Robin Eissler is the founder and CEO of BoosterHub, a vertical SaaS platform built for high school booster clubs. After selling her prior business as a private jet broker, Robin volunteered to run a local booster club and discovered a messy problem run with spreadsheets, emails, and manual accounting. She decided to build a single system that could actually handle it.

BoosterHub now serves nearly 600 booster programs, representing over 100,000 users. With just two full-time employees and a small dev team, the company processes more than $40M in transactions across payments, fundraising, merchandise sales, and accounting. Annual contract value typically runs $1,500–$2,000 per customer, with strong retention and expanding usage.

Still independently-owned and bootstrapped, BoosterHub is approaching $1M ARR and profitability. Robin shares lessons on building complex software with a tiny team, selling to volunteer buyers, surviving seasonal revenue swings, and why slow, compounding growth can create durable SaaS businesses without venture capital.

Key Takeaways

Tiny Teams Work - Two employees plus contractors can build serious SaaS with focus, systems, and modern tooling.
Sticky Beats Big - Hundreds of small customers compound more reliably than a handful of enterprise deals.
Seasonality Is Real Education-adjacent - SaaS must survive cash spikes and winter slowdowns without panic.
Founder-Led Marketing - Consistent content from the founder still drives inbound growth in niche markets.
All-In-One Wins in Verticals - Being the system of record makes churn low and customer value expand naturally over time.

Quote from Robin Eissler, Founder and CEO of BoosterHub

"The numbers are much better than what we projected. so we're starting to see that compounding effect is really what's happening is there's just enough users and enough people in the system that they're using more of the add-on products and we're processing more volume.

"So it's starting to have that compounding effect. And so I really just admitted to myself this month, like, I think we're seeing it.

"I think we're finally seeing it. I feel like, OK, maybe for me, it's almost that I can exhale. I've been holding my breath for four years, so maybe I can breathe."

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