Possible Clues:

• Quick bucks
• Quick profit
• Profit one hardly has to work for
• Proceeds very quickly from scam
• Midshipman I included in my effortless gain
• Can one get this for jam? Yes, one may exchange it
• What's made by yeomen say isn't hard-earned
• Alternative to hard currency?
• With a yes, oddly, I put in my return without difficulty
• Effortlessly-obtained cash