Line shopping means checking several sportsbooks and betting wherever the price is best. Different books often disagree by a few cents or half a point.
It sounds small, but it adds up. At -110 you need to win 52.4% to break even; at -105 you need 51.2%. Over hundreds of bets, that can be the difference between losing and winning.
It's the easiest edge in betting, and the basis of arbitrage.
How it works
Line shopping is the one betting habit almost everyone agrees on. You don't need a model or special knowledge, just accounts at more than one sportsbook.
Prices differ because each sportsbook manages its own risk. One book might have lots of money on a team and shorten its price, while another hasn't moved yet. Over a season, those small differences add up.
What to compare:
- Odds on the same line. -105 instead of -110 means a smaller break even rate.
- Different lines. +3 instead of +2.5 in the NFL is worth a lot because 3 is one of the key numbers.
- Promotions. Price boosts and reduced-juice offers.
The benefit compounds in parlays, because a slightly better price on each leg multiplies across the whole bet.
Odds comparison sites and apps make it quicker, but always check the price on the sportsbook itself before betting, as odds can change fast. Taken to the extreme, line shopping can uncover an arbitrage opportunity, though those are rare and short-lived.
Examples
- Example 1
$110 at -110 wins $100. The same $110 at -105 wins $104.76, about 4.8% more profit on every winning bet.
- Example 2
A bettor wins 53% of 500 one-unit bets. At -110 they make about +5.9 units. At -105 the same results make about +17.4 units, nearly three times as much.
Read more: How to read betting odds
Common questions
Is line shopping worth it?
Yes. It's one of the easiest ways to improve your results. Better prices lower the win rate you need to profit, and the gains add up over hundreds of bets.
How many sportsbooks should I use?
Even two or three makes a noticeable difference. Serious bettors often use several more, where they're legally available.