Bankroll & staking
Flat staking, percentage staking, Kelly, and the maths of variance, drawdown and risk of ruin.
Bankroll Management: Staking, Variance and Ruin
Bankroll management for sports betting, with the math: unit sizing, flat vs percentage staking, the Kelly formula, and why overbetting a real edge ends in ruin.
Other topics
Odds & probability
Reading American, decimal and fractional prices, converting between them, and turning any of them into an implied probability.
Market mechanics
Vig, hold, line movement, limits and the operational reasons a sportsbook prices the way it does.
Bet types
Spreads, totals, moneylines, parlays, teasers, props and futures — what each one costs you in expectation.
Advanced concepts
Closing line value, steam, middling, arbitrage and the ideas that separate a priced bet from a hunch.