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StrategyNovember 8, 2025

Bankroll Management: How to Bet Smarter

Betbook AI8 min read
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Bankroll Management: How to Bet Smarter


Why Bankroll Management Matters


The #1 reason bettors lose money isn't bad picks - it's poor bankroll management. You can have a 55% win rate and still go broke if you bet recklessly.


The Kelly Criterion


The Kelly Criterion is a mathematical formula that tells you exactly how much to bet based on your edge:


Kelly % = (Win Probability × Odds - 1) / (Odds - 1)


Practical Example:

  • Win Probability: 55%
  • Odds: +110 (2.1 decimal)
  • Kelly % = (0.55 × 2.1 - 1) / (2.1 - 1) = 5%

  • Simpler Approach: Flat Betting


    For beginners, we recommend flat betting:

  • Bet 1-3% of your bankroll per game
  • Never chase losses by increasing bet size
  • Keep detailed records

  • The 5 Golden Rules


    1. **Set a Budget:** Only bet money you can afford to lose

    2. **Track Everything:** Use a journal (like Betbook!)

    3. **Avoid Parlays:** Single bets have better long-term value

    4. **Shop Lines:** Always compare odds across sportsbooks

    5. **Stay Disciplined:** Stick to your system through wins and losses




    Tools to Help


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    Bankroll Management: How to Bet Smarter | Betbook Blog