Possible Clues:

• Dependable source of income
• Caught a programme about Conservative's dependable way to boost the coffers
• Reliable source of profit
• With assets emptied, taps into business with good revenue stream
• Lucrative investment
• Put money on stock unit, a very good little earner
• Caught cold during a display, money-spinner
• Ready to join firm with established income earner
• Moneyspinner for accountant caught in exhibition
• Saw choc (anag.); steady investment