Related Clues:

• 1 for H, or 2 for He
• ___ time (never)
• ___ cost
• 79 for gold, e.g.: Abbr.
• ___ extra cost
• ___ point (never)
• '___ extra cost'
• 26 for Fe: Abbr.
• '___ charge!'
• O's is 8
• 29 for copper, e.g.: Abbr.
• Au's is 79
• With 48-Across, never
• ___ time
• ''--- added expense'' (free)