Make money, betting without risk, using a technique called arbitrage. Their guide book will teach you how to identify opportunities, where to find them and how to structure your bets. They also provide a “BetAlerts®” service, where they will send you details of arbitrage opportunities they discover.

Free service that finds sports arbitrage and bonus arbitrage opportunities from over 120 online bookmakers and exchanges.

Subscription-based arbitrage alert service. They offer three levels of membership: Members area, email and sms alerts.

Manual explaining how to use arbitrage to create risk free bets in sporting events throughout the world.

Online arbitrage calculator for risk-free backing and laying on the exchanges. Incorporates commission rates and different criteria (back bet, lay bet or total stake). Their site also has other useful betting tools.

Online account of a sports arbitrage trader. Includes reviews of the different arbitrage services, giving recommendations and telling which to avoid.

Information to help you get started in sports arbitrage trading. Includes reviews of some of the arb alert services.

Email and sms based sports arbitrage alert service.

Send out around 170 sporting arbitrages a month to members via email and sms at an additional cost.

Software for finding arbitrage opportunities on the UK horse racing markets daily. It scans the odds for 17 bookmakers and compares them with the lay prices on Betdaq and Smarkets betting exchanges.