Possible Clues:

• Eventual return of online expert in good health
• Difficulty for supply that employee will be clearing up
• What you'd be making out of fishing - nothing gross
• What you make out of fishing?
• What do you make of commercial fishing?
• Dotcom company's gain?
• Black bottom line
• Excess of sales over costs for potent fir
• Sounds as if there's nothing gross about what one makes out of fishing
• Bottom line, businesswise