Bullpen Blog

Pitch deck guides, fundraising strategies, startup metrics, and stories from founders who've been there. Built by the team behind AI-powered pitch evaluation.

Topics

Pitch Deck Mastery

Build decks that raise capital — slide by slide.

32 articles

Funding Strategies

From pre-seed to Series A, the fundraising playbook.

30 articles

Startup Metrics & KPIs

The numbers that investors actually look for.

30 articles

Founder Stories & Ecosystem

Real stories from the trenches of building companies.

29 articles

Accelerators & Incubators

Get into top programs and make the most of them.

29 articles

GTM & Growth

Launch, get customers, and scale.

29 articles

AcceleratorsOct 13, 2026

The Dark Side of Accelerators: When They Don't Deliver

Founders share when accelerator promises fell short.

1 min read·

#accelerator#criticism#founder-stories

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GTM & GrowthOct 14, 2026

Data-Driven GTM: Finding Your Best Channel

Using data to identify your highest-ROI channel.

1 min read·

#gtm#data

Pitch DecksOct 15, 2026

Pitch Deck Email Subject Lines: Getting Investors to Open Your Attachment

Subject line formulas that get higher open rates.

1 min read·

#pitch-deck#email

FundingOct 16, 2026

Strategic Investors vs Financial Investors Deep Dive

When strategic or financial money makes sense.

1 min read·

#strategic#financial

MetricsOct 17, 2026

Churn Curves: How Retention Changes Over Time

Why early churn is different from late churn.

1 min read·

#churn-curves#retention

FoundersOct 18, 2026

How to Give a Great Investor Update

Founders share their update templates.

1 min read·

#investor-update#communication

AcceleratorsOct 19, 2026

Non-Dilutive Funding: Grants and Alternatives to Accelerators

Government grants, foundation funding, and alternative programs.

1 min read·

#grants#non-dilutive

GTM & GrowthOct 20, 2026

How to Nail Your SaaS Free Trial Strategy

Free trial length, gates, and conversion optimization.

1 min read·

#free-trial#conversion

Pitch DecksOct 21, 2026

10 Pitch Decks From Billion-Dollar Companies (When They Were Early-Stage)

Analysis of pitch decks from now-iconic companies.

1 min read·

#pitch-deck#examples

FundingOct 22, 2026

Unit Economics and SaaS Metrics for Fundraising

The metrics VCs care about during fundraising.

1 min read·

#saas-metrics#unit-economics

MetricsOct 23, 2026

Cohort Analysis: The Most Honest View of Your Business

How to build and read cohort retention tables.

1 min read·

#cohort-analysis#retention

Topics

Pitch Deck Mastery

Funding Strategies

Startup Metrics & KPIs

Founder Stories & Ecosystem

Accelerators & Incubators

GTM & Growth

Tags

The Dark Side of Accelerators: When They Don't Deliver

Data-Driven GTM: Finding Your Best Channel

Pitch Deck Email Subject Lines: Getting Investors to Open Your Attachment

Strategic Investors vs Financial Investors Deep Dive

Churn Curves: How Retention Changes Over Time

How to Give a Great Investor Update

Non-Dilutive Funding: Grants and Alternatives to Accelerators

How to Nail Your SaaS Free Trial Strategy

10 Pitch Decks From Billion-Dollar Companies (When They Were Early-Stage)

Unit Economics and SaaS Metrics for Fundraising

Cohort Analysis: The Most Honest View of Your Business