Possible Clues:

• Buy too much
• Go beyond available resources, because of special purpose
• To squander money proves wrong — object to it
• Consume too much? The game isn't finished
• To throw money around carelessly proves to have a limit
• Splash out too much, though the cricket hasn't finished
• Lover's pendant held to be extravagant
• Suitably treated pond's ever blue
• Nothing, save this
• This proves at last the one may be extravagant