Users can create their own multiple by choosing a selection from the various markets or by entering a stake and how much they want to win. Multiple by market Multiple by market Multiple by win amount Selects from the forthcoming matches, the five teams/players that have the best 10 game record against the type of opposition they are playing. Applies this rule to the Win/Goals/Correct Score/1st Goalscorer & In-Play markets. Works out how much can be won based on stake and the multiple bet chosen. Can be adapted to other markets that a sportsbook might wish to promote. Just requires an odds feed and link to a betslip. A multiple that lets users enter their stake and then how much they want to win with how many bets. Multiple instantly calculates what aggregate odds are required and then selects randomly from pre-populated odds groups. Bets are delivered with supporting reasons and if a user de-selects a bet, it is replaced by another at similar odds.