Gambling Online 101
beginner
10 min readTypes of Bets
Moneyline, spread, totals, props, parlays, teasers, futures, and live bets explained clearly.
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Most sportsbook menus are built from the same core bet families. If you understand what each wager is really asking, how it settles, and where the pricing risk lives, the board feels much less overwhelming. The goal is not to memorize every exotic market. It is to know which bet type actually matches your opinion.
Straight Bets: The Core Three
Moneyline
A moneyline is the simplest sportsbook bet: pick who wins the game or match. You are not betting on margin, only on the winner.
- Favorite example: Lakers -180 means you risk more to win less because the market expects them to win more often
- Underdog example: Celtics +155 means you risk less to win more because the market expects them to win less often
- Best fit: situations where your edge is tied to the winner, not to the exact margin
Pro Tip
Underdogs are not automatically good bets, but they often make the value question clearer. A +150 moneyline is attractive only if your fair win probability is better than the market's break-even rate.
Point Spread
A spread bet turns the game into a handicap. The favorite gives points, and the underdog receives them.
- Chiefs -3.5 must win by 4 or more
- Patriots +3.5 can lose by 3 or fewer and still cash
- Best fit: when your opinion is about margin or game script, not just the outright winner
Totals (Over/Under)
A total ignores the winner and asks whether combined scoring, goals, runs, or points land above or below a posted number.
- Over 224.5 cashes if the teams combine for 225 or more
- Under 224.5 cashes if they combine for 224 or fewer
- Best fit: when your edge comes from pace, weather, efficiency, or matchup style
Multi-Selection Bets
Parlays
A parlay combines multiple selections into one ticket. Usually every leg must win, although a push or void can sometimes reduce the parlay instead of killing it outright. The exact treatment depends on the operator and the market rules.
Illustrative 3-Leg Parlay vs Singles
| Structure | Risk | If All Three Win | What Matters Most |
|---|---|---|---|
| Three $50 singles at -110 | $150 total stake | About $136 total profit | Each leg is priced on its own |
| One $50 3-leg parlay at -110 | $50 total stake | About $298 total return | The combined price and hit rate both multiply |
Parlays change the shape of risk, not just the size of the payout
Warning
Parlays are a pricing problem first.Even when every leg looks reasonable by itself, the combined ticket can still be poor value. Use the final quoted payout, not the excitement of a bigger number, as the thing you evaluate.
Good to Know
Calculate Parlay Payouts
Use the Parlay Calculator for exact returns and the Parlay Hedge Calculator if you end up with one leg left and want to compare hedge options.
Same-Game Parlays
Same-game parlays, often called SGPs, let you combine selections from one game. They are common and useful, but they are not a free-correlation loophole. Books may reject, reprice, or specially model combinations whose outcomes clearly move together.
- Example: team total over + quarterback passing yards over
- Best fit: when you can defend the final builder quote, not just the story behind the combo
- Main caution: correlation changes the price, so compare the final same-game payout against your fair price
Teasers
A teaser is an adjusted-line parlay. You buy extra points on each spread or total leg, and in exchange the payout becomes less generous.
- Example: a 6-point football teaser can move Chiefs -7 to -1 and Patriots +3 to +9
- Best fit: mostly NFL point-spread situations where the price card and key numbers still make sense
- Main caution: teaser value depends on the points you buy, the price you pay, and the specific house rules
Strategy Insight
The classic teaser benchmark is the 2-team, 6-point NFL teaser that moves through 3 and 7. That is not a universal green light. It is just the place where teaser math has historically been strongest when the price card is reasonable.
Round Robins
A round robin is a bundle of smaller parlays built from one list of selections. If you choose four teams, the round robin can create every 2-leg combination, every 3-leg combination, or both.
- Best fit: when you want some parlay upside without making the whole ticket depend on one all-or-nothing combo
- Main caution: the total outlay is often higher than new bettors expect because you are really buying many tickets at once
Props, Futures, and Live Bets
Proposition Bets (Props)
Props are bets on a specific event inside the game rather than on the final side or total.
Player Props
- LeBron James over 27.5 points
- Patrick Mahomes over 2.5 passing touchdowns
- Shohei Ohtani to hit the first home run
Game Props
- First team to score
- Total sacks in the game
- Will the game go to overtime?
Props are best when your edge is narrow and specific: role changes, matchup details, usage rate, weather, or participation rules. They are also the bet type where settlement rules matter a lot, so check how the book handles active status, official stats, and voids.
Futures
Futures are long-horizon bets on season or tournament outcomes, such as division winners, MVP, or championship markets.
- Best fit: when your opinion is about long-term team or player strength rather than one game
- Main caution: you tie up bankroll for a long time and often need a bigger edge to justify that capital cost
Good to Know
Futures can be less efficient than headline game lines, but they are not automatically soft. Always weigh the price against the fact that your money may be locked for weeks or months.
Live Betting (In-Play)
Live betting happens after the game starts. Prices update constantly as score, clock, possession, fouls, injuries, and pace change.
- Best fit: when you entered the game with a plan and know what live number would actually interest you
- Main caution: the first number you see is not always the number you get because live markets can suspend or reprice before acceptance
Strategy Insight
Live betting is most useful when it starts with a trigger map, not with impulse. If you cannot explain why the current live line is better than your pregame fair range, you probably do not have a live bet yet.
When Each Bet Type Fits Best
Match the Bet Type to the Edge
| If Your Opinion Is... | Usually Start With... | Why |
|---|---|---|
| One team simply wins more often than the price suggests | Moneyline | Winner-only markets keep the handicap simple |
| The game is likely tighter or wider than the spread implies | Spread | Your edge is in the margin, not only the winner |
| Pace, weather, or efficiency is off | Total | The score environment is the core opinion |
| One player role or matchup is mispriced | Prop | The edge is specific rather than game-wide |
| Several legs are good and independent, or a promo clearly changes the ticket | Parlay | The combination can be defensible if the final price still works |
| You want a long-horizon opinion | Future | The bet is about the season path, not tonight |
The best bet type is the one that matches your actual thesis most directly
Common Beginner Mistakes
- Confusing a bigger payout with a better bet. Parlays and SGPs can be fun, but the bigger number does not tell you whether the price is fair.
- Ignoring the rule card. Push treatment, teaser rules, active-player requirements, cash-out availability, and live-bet delays can all change how the wager behaves.
- Using a complicated bet to express a simple opinion. If your whole view is just “this team wins,” a moneyline or spread is often cleaner than a decorated same-game ticket.
Related Reading
- Parlay Strategy— go deeper on parlay math, teaser pricing, and when same-game combinations are actually defensible
- Prop Betting— learn how settlement rules, participation risk, and price-shopping matter more in prop markets
- Live Betting— understand execution delay, repricing, and why in-play betting needs a plan
Try It: Odds Converter
Key Takeaways
- 1Moneyline, spread, and totals are the core sportsbook bet families
- 2Parlays, same-game parlays, teasers, and round robins all change risk shape and rule complexity
- 3Props are best when your edge is specific; futures are best when your opinion is long-term
- 4Live betting is its own skill because the price can move or disappear before your wager is accepted
- 5The cleanest beginner habit is to match the bet type to your actual opinion instead of chasing the biggest payout
Sources & References
- DraftKings Sportsbook wager types. DraftKings publishes beginner definitions for standard sportsbook wager types including moneyline, spread, totals, parlays, teasers, and in-play betting. (Wager types overview; Parlay bet explainer; Live bet explainer)
- FanDuel Sportsbook house rules. FanDuel documents how related-contingency parlays, teasers, live bets, cash-out, pushes, and voids can be handled differently depending on market and bet type. (FanDuel house rules)
- Independent parlay math. For repeated -110 legs, fair hit probability is (0.5)^n while the posted decimal return is 1.9091^n. The bettor return multiplier is (0.5 x 1.9091)^n = 0.9545^n, which is why a simple 3-leg illustration is still negative EV before any extra correlation or promo assumptions.
Bet definitions are broadly standard, but settlement details vary by operator, market, sport, and jurisdiction. Always trust the current house rules and final bet slip over a generic explainer.