Berkshire requires a 25–50% discount to intrinsic value before buying.
Buffett Quality Checklist
✗ROE >15% consistently (≥7 of last 10 years)
✗Free cash flow positive (≥8 of last 10 years)
–Conservative leverage — Debt/Equity below 1
✓Revenue growing at CAGR >5%
✓EPS growing at CAGR >5%
10-Year Financial History — SEC EDGAR 10-K Filings
Year▲
Revenue▲
Net Income▲
FCF▲
Owner Earnings▲
ROE▲
Net Margin▲
LT Debt▲
Cash▲
2016
$991.9M
$366.1M
—
—
16.3%
36.9%
—
$43.9M
2017
$1.1B
$479.0M
—
—
20.4%
43.3%
—
$55.7M
2018
$1.2B
$415.3M
—
—
17.2%
34.7%
—
$57.5M
2019
$1.3B
$420.0M
—
—
16.5%
32.1%
—
$65.7M
2020
$1.4B
$481.8M
—
—
18.9%
35.5%
—
$109.1M
2021
$1.6B
$827.6M
—
—
26.6%
52.5%
—
$71.1M
2022
$1.9B
$860.7M
—
—
26.4%
44.7%
—
$92.9M
2023
$2.6B
$803.2M
—
—
5.6%
31.4%
—
$99.1M
2024
$3.3B
$854.7M
—
—
6.1%
26.2%
—
$138.2M
2025
$3.4B
$974.0M
—
—
7.3%
28.8%
—
$138.9M
Warren & Charlie
Buffett / Munger — quality, moat & valuation
Extra Space Storage Inc. (EXR) — Investment Memo
🐂 The Bull Case (Warren's voice)
The Behavioral Tailwind: The business monetizes a fundamental human flaw—the inability to let go of physical possessions. Hoarding is a permanent feature of the American psyche, not a trend.
The Asset Play: At its core, this is a portfolio of prime real estate. Once the land is acquired and the "modular boxes" are built, the marginal cost to maintain a tenant is negligible.
Scalability: The Life Storage merger creates a massive footprint that should allow for better pricing power and brand recognition across disparate markets.
The "Simple" Factor: No complex R&D, no obsolescence of the core product (a dry room is always a dry room), and a recurring revenue stream that doesn't require a sales force.
Attractive Entry: This becomes a Berkshire-style play only if the price reflects a significant liquidation value of the real estate, ignoring the current management's inefficient operation. It would need to trade at a deep discount to the DCF to compensate for the ROE decay.
🐻 The Bear Case (Charlie inverts)
“Show me where I'll die and I won't go there.”
The Capital Destruction Trap: Management has fallen in love with "Empire Building." They swapped high-return organic growth for a massive, low-return acquisition (Life Storage). When you buy growth at the expense of ROE, you aren't expanding a business; you are diluting the quality of the organism.
The Commodity Death Spiral: Storage is a commodity. There is no "secret sauce." If a competitor builds a facility across the street and undercuts rent by $20/month, the "customer inertia" moat vanishes instantly. Inertia is not a moat; it is a temporary delay of the inevitable.
Structural Obsolescence: The long-term threat isn't a recession, but a cultural shift toward minimalism or the "circular economy" (resale/rental markets) that reduces the need for long-term storage. If the "American habit of hoarding" breaks, the business model evaporates.
The Most Likely Failure: The most probable path to impairment is the Margin Leak. Margins dropping from 52.5% to 28.8% suggests a fundamental inability to control costs or a loss of pricing power. If the efficiency leak isn't plugged, the DCF is a fantasy.
💰 Valuation & Margin of Safety
Intrinsic value estimate: $97.77 per share.
25% margin of safety entry: $73.33(conservative).
50% margin of safety entry: $48.89(Buffett's ideal).
Current Status: Expensive. The market is pricing in a recovery of margins and ROE that the current data does not support. We are paying for 2021 efficiency with 2025 reality.
Verdict: PASS
The collapse in ROE from 26.6% to 7.3% is a flashing red light that outweighs the simplicity of the business. Management is destroying value through empire-building, and the "moat" is merely customer laziness. We do not buy businesses where efficiency is leaking out of the building.
Other Analyst Views· Lynch · Damodaran
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.