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Video lessons

74 published lessons — choose a poster to watch, with no autoplay.

Video lessons

Video lessons

74 published lessons available.

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Chalkboard lesson explaining Action Reverse with a worked Action Reverse example.

Action Reverse

Like two if-bets running forward AND backward at once — spreads your risk across both orders.

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Chalkboard lesson explaining American Odds with a worked American Odds example.

American Odds

−150 means risk $150 to win $100. +130 means risk $100 to win $130.

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Chalkboard lesson explaining Arbitrage / Arb with a worked Arbitrage / Arb example.

Arbitrage / Arb

Finding two books with different odds where you can bet both sides and always win. Rare!

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Chalkboard lesson explaining ATS (Against The Spread) with a worked ATS (Against The Spread) example.

ATS (Against The Spread)

How often a team covers the spread. "Chiefs are 8-4 ATS this season."

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Chalkboard lesson explaining Backdoor Cover with a worked Backdoor Cover example.

Backdoor Cover

Game's basically over but a late touchdown makes the underdog cover. Painful!

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Chalkboard lesson explaining Bad Beat with a worked Bad Beat example.

Bad Beat

The most painful losses. You should have won but something crazy happened.

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Chalkboard lesson explaining Book / Sportsbook with a worked Book / Sportsbook example.

Book / Sportsbook

The place where you make your bets - like DraftKings, FanDuel, or a casino.

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Chalkboard lesson explaining Buying Points with a worked Buying Points example.

Buying Points

Pay more to get a better number. Move Chiefs -7 to Chiefs -6 by paying extra vig.

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Chalkboard lesson explaining Chasing with a worked Chasing example.

Chasing

Betting more because you're losing. BAD IDEA! This is how bankrolls disappear.

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Chalkboard lesson explaining CLV (Closing Line Value) with a worked CLV (Closing Line Value) example.

CLV (Closing Line Value)

If you bet Chiefs −6 and it closes −7, you beat the closer by a point. That is CLV.

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Chalkboard lesson explaining Cooler with a worked Cooler example.

Cooler

A person whose presence brings bad luck. Similar to a mush — when a cooler shows up, the winning stops.

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Chalkboard lesson explaining Expected Value (EV) with a worked Expected Value (EV) example.

Expected Value (EV)

Math that estimates whether a price is good or bad long-term — not a promise that today's bet wins.

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Chalkboard lesson explaining If Bet with a worked If Bet example.

If Bet

A conditional bet: if the first bet wins, the winnings automatically go on the next one.

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Chalkboard lesson explaining Implied Probability with a worked Implied Probability example.

Implied Probability

What percent chance the price says this side has. −110 ≈ 52.4%; +150 ≈ 40%.

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Chalkboard lesson explaining Key Numbers with a worked Key Numbers example.

Key Numbers

In football, games often end with a 3 or 7 point difference (field goals and touchdowns).

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Chalkboard lesson explaining Line Movement with a worked Line Movement example.

Line Movement

The line "moved" from Chiefs -7 to Chiefs -7.5 because of betting action.

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Chalkboard lesson explaining Line Shopping with a worked Line Shopping example.

Line Shopping

Like price comparing before buying. Different books have different odds!

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Chalkboard lesson explaining Middle with a worked Middle example.

Middle

The dream! Bet one side at one number, bet the other side when the line moves, and win BOTH.

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Chalkboard lesson explaining No-Vig Fair Value with a worked No-Vig Fair Value example.

No-Vig Fair Value

What the odds might look like if the book took no cut — a fair coin-flip split of the market's prices.

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Chalkboard lesson explaining Opening Line with a worked Opening Line example.

Opening Line

The starting point - odds when they first come out, often days before the game.

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Chalkboard lesson explaining Parlay with a worked Parlay example.

Parlay

A single bet that links two or more picks together. All legs must hit to win. Higher risk, bigger payout.

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Chalkboard lesson explaining Parlay Combinations with a worked Parlay Combinations example.

Parlay Combinations

How many different parlays your teams can make. Round robins are built from these combinations.

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Chalkboard lesson explaining Public Money with a worked Public Money example.

Public Money

What casual fans are betting. Sharps sometimes bet against the public.

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Chalkboard lesson explaining RLM (Reverse Line Movement) with a worked RLM (Reverse Line Movement) example.

RLM (Reverse Line Movement)

70% on Team A but the line moves toward Team B? Sharp money on B!

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Chalkboard lesson explaining ROI (Return on Investment) with a worked ROI (Return on Investment) example.

ROI (Return on Investment)

How much profit you make compared to how much you bet. Sustained positive ROI is rare and hard-earned.

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Chalkboard lesson explaining Round Robin with a worked Round Robin example.

Round Robin

Pick 3 or more teams and the book builds all the smaller parlays for you — one loss doesn't sink everything.

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Chalkboard lesson explaining Same Game Parlay with a worked Same Game Parlay example.

Same Game Parlay

A parlay where all legs are from the same game. Also called SGP.

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Chalkboard lesson explaining Stale Line with a worked Stale Line example.

Stale Line

When a sportsbook is slow to update a number, the price you see may be stale. It can still move or be rejected before your bet is accepted — a stale line is not guaranteed value and not a command to bet.

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Chalkboard lesson explaining Teaser with a worked Teaser example.

Teaser

A parlay where you get extra points on every leg in exchange for lower payout.

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Chalkboard lesson explaining Teaser Points with a worked Teaser Points example.

Teaser Points

The head start you buy on every leg of a teaser — bigger head start, smaller payout.

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Chalkboard lesson explaining Trap Game with a worked Trap Game example.

Trap Game

When a good team might not take a bad team seriously and lose or not cover.

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Chalkboard lesson explaining Vig with a worked Vig example.

Vig

Short for vigorish. The book's cut on every bet. In loving memory of Vigtoria "Vig" the Goody Girl — a beloved English Bulldog who carried the name with grace.

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Quick Reference: Understanding Odds

Negative Odds (-150)

Bet $150 to win $100

Positive Odds (+130)

Bet $100 to win $130

Standard Juice (-110)

Bet $110 to win $100 — the extra $10 is the book's cut

⚠️ Remember: Sports betting should be fun. Only bet what you can afford to lose. Set a budget and stick to it.