Related Clues:

• Pretty sure thing
• You can bank on it
• Sure thing
• It's in the bag
• Likely money winner
• Something to count on
• Low-risk proposition
• Something likely to happen
• Wager that isn't risky
• Wager that's not very risky
• Not a risky wager
• Low-risk wager
• Risk-free risk?
• Object of confidence
• Likely outcome