Possible Clues:

• It costs a lot for article to piece together addition to answer on stage (2,3,3,1,3)
• Plenty of ready members
• Tidy sum, to a chairmaker?
• Describes exorbitant spare parts (2,3,3,1,3)
• '___ are two of my four limbs'
• ... for king's ransom prince turned over two chaps -- their feet bound, say (2,3,3,1,3)
• What expensive things cost
• Lots, pricewise