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Short, plain-English explainers. No hype, no picks.

Line shopping: same bet, better price

Why the same bet pays differently at different sportsbooks, and how checking a few books adds up over a season.

Arbitrage, which Coconuts calls a LOCK: when two books disagree enough that one bet at each returns about the same either way, and the catches.

Books can cap stakes or close accounts, especially for bettors who regularly take their best prices. Here's how it works.

CLV compares the price you took with the market's price when the game started. It's the most honest measure of your prices.

The vig (or juice, or hold) is the margin built into a sportsbook's prices. Here's how to see it and why it matters.

Set money aside that you can afford to lose, size bets as a small share of it, and keep honest records.

Exchanges and prediction markets let people trade with each other; sportsbooks set prices and take the other side. The differences that matter.

The three bets you'll see on every NFL game, what the numbers mean, and how the same bet can pay differently at different books.

Injury news, weather, big bets and books copying each other all move prices. Here's what's going on, and why it means prices can differ.

Betting should stay fun. Limits, warning signs, our cool-off and self-exclusion tools, and where to get free help.