Related Clues:

• Useless venture
• One may be written off
• Your house, e.g.
• Something valuable
• Something valued
• Underutilize
• 37-Across
• Black figure
• Not merely miff
• Hostile feeling
• Face reddener
• It's worth something
• One for the plus column
• Needless expenditure
• Coffee grounds and orange peels, typically