Charlie

Charlie

Your AI CFO for bootstrapped startups, named after Charlie Munger who embodied the principle that capital discipline is a competitive advantage

Category: development Source: EveryInc/charlie-cfo-skill

What Is This?

Overview

Charlie is an AI-powered CFO skill designed specifically for bootstrapped startups navigating the challenges of capital-constrained growth. Named after Charlie Munger, the legendary investor who demonstrated that disciplined capital allocation is one of the most powerful competitive advantages a business can build, this skill brings institutional-grade financial thinking to founders who cannot yet afford a full-time finance executive.

The skill provides structured financial frameworks covering the full spectrum of early-stage financial management. From calculating runway and burn rate to evaluating hiring decisions through an ROI lens, Charlie translates complex financial concepts into actionable guidance. It addresses unit economics, working capital optimization, cash management strategies, and forecasting models that help founders make decisions with clarity rather than guesswork.

Unlike generic financial advice tools, Charlie is calibrated for the specific constraints and priorities of bootstrapped companies. It understands that every dollar allocated carries an opportunity cost, and it applies that lens consistently across every recommendation it delivers.

Who Should Use This

  • Founders running bootstrapped startups who lack a dedicated finance team
  • Solo operators managing both product development and business finances simultaneously
  • Early-stage CEOs preparing for their first significant hiring decisions
  • Startup operators who need to model runway scenarios before approaching investors
  • Small business owners transitioning from survival mode to structured financial planning
  • Technical co-founders who need financial frameworks without an MBA background

Why Use Charlie?

Problems It Solves

  • Founders frequently make hiring decisions based on intuition rather than measurable ROI analysis, leading to premature cash burn
  • Runway calculations are often optimistic and fail to account for variable burn scenarios or revenue delays
  • Unit economics like LTV and CAC are tracked inconsistently or not at all, making growth decisions unreliable
  • Working capital is mismanaged because founders lack frameworks for timing receivables, payables, and inventory cycles
  • Forecasting is either absent or built on assumptions that have never been stress-tested against realistic scenarios

Core Highlights

  • Burn rate analysis with scenario modeling for conservative, base, and aggressive cases
  • Runway calculation frameworks that incorporate variable revenue and expense timing
  • LTV:CAC ratio analysis with guidance on acceptable thresholds by business model
  • Hiring ROI evaluation that quantifies the expected return before a headcount decision is made
  • Capital allocation frameworks prioritizing highest-leverage uses of limited cash
  • Working capital optimization strategies for managing cash conversion cycles
  • Forecasting templates grounded in unit economics rather than top-down projections
  • Decision frameworks modeled on Munger's inversion and mental model principles

How to Use Charlie?

Basic Usage

Charlie responds to natural language financial questions. You can interact with it through direct queries in your AI environment.

User: How much runway do we need before hiring our first salesperson?

Charlie: To evaluate this, we need three inputs: your current monthly burn,
expected ramp time for the new hire (typically 3-6 months for sales),
and the projected revenue contribution post-ramp. A conservative rule
is to have 18 months of runway post-hire before that role reaches
full productivity. Let's calculate your current position first.

Specific Scenarios

Scenario 1: Evaluating a Key Hire Ask Charlie to walk through a hiring ROI model by providing the role's fully-loaded cost, expected ramp period, and projected revenue or cost-savings impact. Charlie will calculate the payback period and flag whether the hire is defensible given current runway.

Scenario 2: Burn Rate Review Provide your last three months of expense data and current revenue. Charlie will categorize burn into fixed and variable components, identify reduction levers, and model how changes affect your runway in weeks.

Real-World Examples

A SaaS founder with 14 months of runway asked whether to hire a second engineer. Charlie calculated the fully-loaded cost at $180,000 annually, modeled a 90-day ramp, and determined the hire would compress runway to 8 months without a corresponding revenue acceleration plan, recommending a contractor arrangement instead.

A direct-to-consumer brand used Charlie to analyze its LTV:CAC ratio after noticing declining margins. Charlie identified that rising acquisition costs had pushed CAC above the 3:1 LTV threshold, triggering a channel reallocation recommendation.

When to Use Charlie?

Use Cases

  • Before making any hire that represents more than 10 percent of monthly burn
  • When modeling how long current cash reserves will last under different growth assumptions
  • During pricing reviews to ensure unit economics remain healthy at scale
  • When evaluating whether to invest in paid acquisition channels
  • Before committing to annual software contracts or infrastructure costs
  • When preparing financial summaries for potential investors or partners
  • During quarterly planning to reset forecasts against actual performance