Sports Betting 101: A Beginner's Complete Guide

Sports betting means placing a wager on the outcome of a game, match, or event, and it starts with understanding 2 things: how odds work and what the core bet types actually mean. If you’ve never placed a bet before, terms like moneyline, point spread, and vig get thrown around as if everyone already knows them. They don’t have to be complicated. Caesars Sportsbook covers every major sport in one app, so once you understand the basics here, you can apply them to football, basketball, soccer, MMA, or anything else on the board.

This guide covers how to read sports betting odds, the main bet types you will see on any sport, a step-by-step walkthrough for placing your first bet, a beginner’s strategy, and bankroll basics so you can bet with confidence. 

What Is Sports Betting?

Sports betting is predicting a sports outcome and risking money on that prediction with a legal sportsbook like Caesars Sportsbook. Sportsbooks set odds (also called the price) for every outcome and pay out winning wagers based on those odds.

Sports betting spans a wide range of formats, from a simple bet on which team wins a single game to season-long futures bets on which team will win a championship. Many bet types are a variation of a few basic structures: picking a winner, picking a margin, or picking a number. Understanding those structures is an easy way to become a confident bettor.

How to Read Sports Betting Odds

Sports betting odds tell you 2 things at the same time: which outcome a sportsbook considers more likely, and how much a winning bet pays. Caesars Sportsbook displays odds in American format by default.

American Odds

American odds use a plus (+) or minus (-) sign relative to a $100 base. A minus sign shows how much you need to bet to win $100; a plus sign shows how much you win on a $100 bet. If a favorite is listed at -170 to beat an opponent, a $170 bet wins $100 in profit ($270 total returned). If that opponent is listed at +145, a $100 bet wins $145 in profit ($245 total returned).

Favorites, Underdogs, and the Vig

The team with the minus sign is the favorite, the team expected to win. The team with the plus sign is the underdog. Every set of odds also includes the vig (short for vigorish, also called juice), the built-in fee a sportsbook charges for taking the bet. That’s why the numbers on both sides never perfectly reflect a true 50/50 proposition even on a very close matchup.

The -110 line is the standard vig applied to most point spread and totals bets, so you will see it constantly once you start browsing a wagering menu.

The Main Types of Sports Bets

Nearly every sports bet is a variation on a small set of core structures: picking a winner, picking a margin, picking a number, or combining multiple picks into one wager. Learning these 7 types covers many of the bets you’ll encounter on any sport.

Moneyline

A moneyline bet is a straight pick on which team or player wins, with no point margin involved. It’s the simplest bet in sports wagering and the best starting point for a first-time bettor since it involves understanding only one piece of information: who wins.

→ See the full moneyline betting guide for favorite and underdog pricing examples.

Point Spread

A point spread bet levels the perceived gap between 2 teams by adding or subtracting points from the final score. If a favorite is -6.5, they must win by 7 points or more for a spread bet on them to pay out; the underdog covers the spread by losing by 6 points or less, or by winning outright.

Totals (Over/Under)

With a totals bet (often just called the over/under), you bet on whether the combined final score of both teams will go over or under a set number. A total set at 47.5 points in a football game pays out on the under if the combined score is 47 or less, and pays out on the over if the combined score is 48 points or more.

Parlays and Round Robins

A parlay combines multiple individual bets into a single wager, with all legs needing to win for the parlay to pay out. Odds do multiply across legs for a larger potential payout than betting each leg separately. A round robin breaks a group of selections into multiple smaller parlays automatically, so a bettor can still cash a partial payout even if not every single pick in the group wins.

→ See the full guide to parlay and round robin betting for combination rules and examples.

Prop Bets (Player, Team, and Game Props)

Prop bets, short for proposition bets, cover specific events within a game rather than the final outcome. Player props are about an individual's statistical performance, like passing yards or points scored. Team props are about a team-level outcome, like which team scores first. Game props cover broader in-game events unrelated to the final score.

Futures

A futures bet is a long-term wager on an outcome that won’t be decided for weeks or months, like which team wins a league championship. Futures odds shift throughout a season as a team's performance changes, so the earlier a futures bet is placed relative to the outcome, the larger the potential payout tends to be if it hits.

Live/In-Game Betting

Live betting, also called in-game betting, lets you wager on a game after it’s already started, with odds updating continuously based on what’s happening on the field or court. A team that falls behind early will typically see its live moneyline odds lengthen, giving an attentive bettor a chance to find value if they read the game differently than the live line suggests.

How to Place Your First Sports Bet: Step by Step

Placing a sports bet on Caesars Sportsbook is a simple and easy process and works the same way no matter which sport you’re betting on.

1. Create and verify your account: Download the Caesars Sportsbook app and register with your name, DOB, and location. Identity and age verification are required to confirm you’re 21 years of age or older and physically located in a legal betting market.

2. Deposit funds: Add funds using a bank transfer, debit card, or another supported payment method. Only deposit an amount you’re comfortable risking before you start browsing games.

3. Find your game: Navigate to a specific sport’s tab, like NFL, NBA, or soccer, and select the specific game or event you want to bet on.

4. Select your bet type and odds: Choose a market (like moneyline, point spread, or totals) and tap the odds you want. Your selection populates your bet slip automatically with the current odds and potential payout.

5. Decide your stake and confirm: Enter the amount you want to wager into the bet slip. Review the potential payout and confirm the bet. Your wager is locked in at the odds shown at the time of confirmation.

Beginner Sports Betting Strategies

Smart beginner strategy has less to do with predicting winners and more to do with understanding how sportsbooks price games and where a new bettor can avoid mistakes. 

• Oddsmakers set lines to balance action, not to predict outcomes: A sportsbook's odds reflect a combination of team strength and expected betting volume on each side, not a pure forecast. That’s why lines can move based on where money is being bet.
  
• Start with single bets before parlays: Beginners build a better sense of how odds and outcomes relate by starting with one bet at a time. A single moneyline or point spread bet only needs one outcome to hit, while a parlay needs every leg to win. 
  
• Shop for the best number: Comparing a line across available markets before betting, especially on point spreads and totals near a key number, may improve results over time since small differences can compound across many bets.
  
• Learn from bettor behavior without copying it: A sharp sports bettor usually specializes in a narrow set of leagues or bet types and tracks results carefully over time. New bettors benefit more from picking one or 2 sports to learn deeply than from betting broadly across everything at once.

Bankroll and Responsible Betting Basics

Managing your bankroll is what separates sports betting from an expensive hobby. The idea is simple: only wager money you can afford to lose, and size individual bets so no single result damages your overall bankroll.

• Set a realistic budget: Decide on an amount you’re comfortable allocating to betting each week or month, separate from money needed for bills or savings.
  
• Use flat or percentage-based staking: Disciplined bettors wager a consistent unit size, like 1 to 3% of their total bankroll per bet, rather than increasing stakes after a loss to try to win it back.
  
• Avoid chasing losses: Increasing bet size specifically to recover a previous loss is one of the most common ways bettors move from casual wagering into financial strain. Caesars Sportsbook offers deposit limits, time-based reminders, and self-exclusion tools inside account settings for bettors who want additional structure.
  
• Resources are available: If betting stops feeling like entertainment, the National Council on Problem Gambling and services like 1-800-GAMBLER provide free, confidential referral services and crisis counseling.

Bet on Your Favorite Sport

Once you understand the basics, the same core concepts apply no matter which sport you follow. Explore dedicated beginner guides for the sports you watch most closely.

• NFL betting guide

• NBA betting guide

• How to bet on soccer

• How to bet on MMA and boxing

Key Sports Betting Terms to Know

Sports betting comes with its own vocabulary, and knowing these terms can make reading wagering menus easier.

Why Serious Sports Fans Bet with Caesars Sportsbook

Caesars Sportsbook gives new and experienced bettors a full range of markets, from straightforward moneylines to futures and props, backed by a rewards program that extends beyond the bet slip. The app is built to work equally well for a first-time bettor placing a single moneyline wager and an experienced fan tracking odds across multiple sports at once.

• Caesars Rewards on Eligible Bets: Eligible real-money wagers placed on any sport may earn Rewards Credits, which can be redeemed for hotel stays, dining, and live entertainment at Caesars Rewards destinations.
• A Bet Slip Built for Every Experience Level: Caesars Sportsbook shows the most common bet types first (moneyline, spread, and totals) while still giving experienced bettors fast access to props, futures, and parlays without extra navigation.
• Odds Boosts, Promos, and Same Game Parlays: Caesars Sportsbook may feature promotional odds boosts across major sports, alongside a same-game parlay builder for combining multiple markets from one game into a single ticket.

Available Across the Country: Availability varies by jurisdiction, and you must be physically located in a state where online sports betting is permitted.

Ready to place your first sports bet? Download the Caesars Sportsbook app to get started here.

Must be 21 or older to gamble. Know When To Stop Before You Start®. Gambling Problem? Call 1-800-GAMBLER. MA: Call 1-800-327-5050. NY: Call 877-8-HOPENY or text HOPENY (467369).

Frequently Asked Questions

What is the easiest bet to understand as a beginner?

A moneyline bet is the easiest starting point for new sports bettors, It only requires picking which team or player wins with no point margin involved. Point spreads and totals add an extra layer that is easier to learn after the moneyline basics.

What does the plus or minus sign mean in sports betting odds?

A minus (-) sign shows how much you must bet to win $100, and a plus (+) sign shows how much profit a $100 bet returns. Caesars Sportsbook displays these American odds by default across every sport.

How much money do I need to start sports betting?

Caesars Sportsbook allows wagers as small as $0.10 on most markets, so new bettors can start with a small stake while learning how odds and payouts work. There’s no required minimum deposit beyond what a chosen payment method allows.

What is the vig in sports betting?

The vig, short for vigorish and also called juice, is the built-in fee a sportsbook charges for taking a bet. A standard -110 line on a point spread or total reflects is a typical vig.

Is it better to bet a single game or a parlay as a beginner?

A single bet on one game can be easier for beginners than a parlay, since a parlay requires every selection to win. A single bet only depends on one outcome. Parlays offer larger potential payouts but carry higher risk.

Can I bet on a game after it is already started?

Yes. Caesars Sportsbook offers live, in-game betting on most major sports, with odds updating continuously as the game progresses. Live odds shift based on the score, time remaining, and game situation