The library

The Guides

Forty-three in-depth guides that together form a complete investing education, from your first index fund to withdrawal strategy in retirement. Work through a track in order, or jump straight to the topic you need. Every guide is free, ad-free, and updated as the evidence evolves.

six tracks, roughly fifteen hours of reading if you did the whole thing

Start with this one

The flagship

All levels 34 min Updated 2026

The Laws of Investing

If you read one page on this site, read this one. It collects the handful of rules that actually survive contact with the evidence: compounding, costs, diversification, the futility of forecasting, the tax drag, and the behavior that quietly decides everything. Every other guide here is a footnote to these.

Read The Laws of Investing

Foundations

The machinery: what you are buying, where it trades, which vehicles to use, and how to build a portfolio you can live with.

Seedling growing from a pile of coins

Beginner 15 min

Investing 101

What investing actually is, why compounding works, the main asset classes, and how to make your first investment without getting fleeced.

Candlestick stock chart glowing on a screen

Beginner 16 min

How the Stock Market Actually Works

Exchanges, brokers, order types, and price discovery: what really happens in the seconds after you click buy.

Dense market data on a trading terminal

Beginner 18 min

Stocks: A Complete Guide

Shares as ownership of real businesses: dividends, buybacks, dilution, market cap, and what makes a stock worth anything at all.

Analytics dashboard displayed on a laptop

Beginner 18 min

Index Funds, Mutual Funds, and ETFs

The vehicles most investors should actually use: how each works, expense ratios, tracking, and how to compare two similar funds.

Hand stacking coins into growing piles

Beginner 17 min

Bonds and Fixed Income

Loans you can own: yields, duration, credit risk, why bond prices fall when rates rise, and the role bonds play in a portfolio.

Hands holding a fan of dollar bills

Beginner 16 min

Cash, Emergency Funds, and Where to Park Money

How much cash to hold, where to keep it, and how to compare savings accounts, T-bills, and money market funds honestly.

Colorful printed charts spread on a desk

Beginner to Intermediate 18 min

Asset Allocation and Diversification

The stock and bond split, plus diversification across markets: the one decision that explains most of your long-term results.

Hand drawn chart on paper with a ruler

Intermediate 15 min

Dollar Cost Averaging vs Lump Sum

What the data says about investing all at once versus spreading it out, and why the emotionally easier answer is not the higher-returning one.

Two people planning with laptops and notes on a desk

Intermediate 18 min

Rebalancing Your Portfolio

When to rebalance, how to do it without a tax bill, and why the discipline matters more than the exact threshold you pick.

Person at a laptop reviewing a revenue dashboard

Advanced 17 min

Risk, Volatility, and Drawdowns

What risk really means, how deep and long historical bear markets have run, and how to build a portfolio you can survive.

Hand signing paperwork with a pen

Intermediate 16 min

Investor Psychology

Loss aversion, recency bias, overconfidence, and the behavior gap: why the biggest threat to your returns is you.

Analysis and Valuation

For the part of your money you want to think hard about: how to read a business, what a price actually implies, and which patterns survive scrutiny.

Advanced 18 min

How to Analyze a Stock

Reading the income statement, balance sheet, and cash flows, plus valuation multiples and the questions an owner would ask.

Intermediate 22 min

Reading Financial Statements

The three statements, how they link, and the line items where accounting choices hide the real story.

Intermediate 23 min

Valuation: Ratios, DCF, and CAPE

What P/E, EV/EBITDA, and CAPE really measure, how a discounted cash flow works, and why valuation predicts decades better than years.

Intermediate 18 min

Dividend Investing

Why a dividend is not free money, when dividend strategies have helped, and the tax cost of chasing yield in a taxable account.

Advanced 24 min

Factor Investing

Value, size, momentum, quality, and low volatility: the evidence, the decades they disappointed, and what implementation actually costs.

Intermediate 22 min

Economic Indicators for Investors

GDP, CPI, payrolls, the yield curve, and the Fed: what each number means and how little of it should change your portfolio.

Intermediate 21 min

A History of Crashes and Recoveries

1929, 1973, 1987, 2000, 2008, 2020: how bad each got, how long recovery took, and the lesson that repeats every single time.

Beyond Stocks and Bonds

Everything else you will be pitched, examined on the evidence rather than the brochure.

Intermediate 21 min

Real Estate and REITs

Rental property versus REITs, the returns landlords actually earn after costs, and where real estate fits in a diversified plan.

Intermediate 19 min

International Investing

Home bias, currency risk, developed versus emerging markets, and how much of your portfolio belongs outside the United States.

Intermediate 20 min

Gold and Commodities

What gold has and has not protected against, why commodities produce no cash flow, and how the futures roll eats returns.

Advanced 22 min

Crypto: An Evidence-Based Guide

How the technology works, what the return and drawdown record shows, the tax treatment, and how to size a position you can stomach.

Advanced 21 min

Options and Derivatives, Explained

Calls, puts, covered calls, and the honest arithmetic of why most retail options activity is a transfer to the other side of the trade.

Advanced 21 min

Margin, Leverage, and Why Blowups Happen

Margin calls, leveraged ETFs and volatility decay, and the mechanics behind every famous wipeout you have read about.

Intermediate 22 min

IPOs, SPACs, Meme Stocks, and Speculation

The long-run record of buying new issues, why the hype cycle is structurally profitable for everyone but you, and how to speculate responsibly if you must.

Accounts and Tax

The wrappers around your investments matter as much as the investments. This track is where quiet, permanent gains live.

Hand stacking coins into growing piles

Intermediate 18 min

Retirement Accounts

401(k)s, IRAs, Roth versus traditional, contribution limits, and the order in which to fill each bucket.

Tax forms with a phone calculator resting on them

Intermediate 17 min

Tax-Efficient Investing

Asset location, tax-loss harvesting, holding periods, and the quiet techniques that keep more of your return in your pocket.

Stethoscope resting on medical paperwork

Intermediate 19 min

The HSA: The Best Tax Shelter in the Code

Triple tax advantage, the receipt-shoebox strategy, what to invest it in, and the eligibility rules that trip people up.

Hand signing paperwork with a pen

Advanced 18 min

Backdoor and Mega Backdoor Roth

Step by step through both maneuvers, plus the pro-rata rule that quietly ruins the conversion for people with existing IRA balances.

Seedling growing from a pile of coins

Intermediate 21 min

529 Plans and Saving for College

How 529s work, the state tax deduction math, financial aid treatment, and what to do with money left over.

Retirement and Withdrawal

Accumulation is the easy half. This track covers turning a portfolio back into income, and what happens to it after you.

Intermediate 18 min

Financial Independence and Early Retirement (FIRE)

The math of savings rates and safe withdrawal, the flavors of FIRE, and an honest look at what the 4% rule can and cannot promise.

Intermediate 21 min

Safe Withdrawal Strategies

Sequence of returns risk, guardrails, bond tents, and the difference between a rule that survived history and a guarantee.

Intermediate 23 min

Social Security: How It Works and When to Claim

How the benefit is computed, the arithmetic of claiming at 62 versus 70, spousal and survivor rules, and taxation of benefits.

Intermediate 20 min

Retirement Plans for the Self-Employed

Solo 401(k), SEP IRA, SIMPLE, and cash balance plans: contribution math, paperwork, and which one fits which practice.

Intermediate 23 min

Annuities and Insurance Products

SPIAs, variable and indexed annuities, and whole life: which ones solve a real problem and which ones mostly solve the salesperson's.

Beginner 20 min

Estate Planning Basics

Wills, revocable trusts, beneficiary designations, the step-up in basis, and the documents that matter while you are still alive.

For Doctors and High Earners

A dedicated track for people with big incomes, big loans, a late start, and a target on their back. There is a hub page for this track too.

Stethoscope resting on medical paperwork

Intermediate 21 min

The Physician Finance Playbook

The whole arc from residency to attending to partner: what to do in what order when your earning curve is late and steep.

Hands holding a fan of dollar bills

Intermediate 23 min

Student Loans for Professionals

Income-driven plans, PSLF, refinancing math, and how to decide between aggressive payoff and investing the difference.

Tax forms with a phone calculator resting on them

Advanced 22 min

Tax Strategy for High Earners

Marginal rates, NIIT, phaseouts, QBI, donor-advised funds, and the real-money moves that survive scrutiny.

Hand signing paperwork with a pen

Intermediate 22 min

Disability and Life Insurance for Professionals

Own-occupation disability coverage, how much term life you need, and why the products with an investment component are usually the wrong ones.

Two people shaking hands over a business deal

Advanced 19 min

Asset Protection for Professionals

Malpractice reality versus fear, umbrella policies, retirement account protections by state, and which structures are worth the cost.

Two people planning with laptops and notes on a desk

Intermediate 21 min

Your First Big Paycheck, Lifestyle Creep, and Choosing an Advisor

What to do in the first year of real money, how lifestyle inflation locks in, and how to tell a fiduciary from a salesperson.

Not sure where to start?

The Start Here page lays out the financial order of operations and a reading order through the tracks. If you want the compressed version of everything, read The Laws of Investing. If you want to see the math with your own numbers, use the calculators.

everything here is education, not individualized financial advice