Possible Clues:

• Mailer securing stamp finally, one using money
• Poet patronising retailers, perhaps?
• Person responsible for laying out poet
• Rebuffed sellers holding back buyer?
• Sir Stephen —, poet
• Poet, one who is recklessly wasteful
• An extravagant poet?
• Poet and author held by commies in revolution
• Big ___ (person who takes a date to a fast-food restaurant, jocularly)
• Pinchpenny's opposite