Possible Clues:

• Rolling performance after mine
• Rich oil comes out of this flap
• Rich, boring person's memo to self?
• Boring task for the affluent
• In the pink bustle? Certainly not in the red
• Flap under source of water for flush
• Our lot will be enough to put in flush
• We old lot could be quids in!
• Affluent (3 words)
• Rolling in it as the result of my agitation