Simply select Edit Bet in the top right of the bet slip, which will then update to allow you to add, swap or remove selections of your choice, change your bet type or increase your stake. To add a selection to your bet, you will firstly need to click on 'Add Selections' on the bet slip.
If you're creating a betslip at a physical sportsbook, here's what you need to do:
1
Grab the betting sheet to find the ID numbers of each wager.
2
Provide the ID, wager type, and stake to the ticket writer at the window.
3
Once you provide the money for your bet, you'll receive a ticket.