Possible Clues:

• Cut-rate
• Inferior
• Low-quality, in slang
• Cut-rate, slangily
• Stingy, slangily
• Tightwad
• Bog-standard firm pockets a pile
• Each reformed the post office slang, for it's shoddy?
• Build-up in gas that's harmful for economy
• Locally, it's not the most expensive pile the officer is covering up