Possible Clues:

• Situation with two equally likely or desirable outcomes
• Even chance following to raise kitty
• Type of 'College Bowl' question
• Heads-or-tails situation (2 words)
• To swing cat brings unpredictable result
• Chancy way of raising money
• 50/50 proposition
• Anybody's game?
• Drunkard turning up to drink makes for uncertain situation
• Difficult-to-predict outcome