The answers to the clues below will have something in common.

1. Short-lived fame
2. Good economic news
3. When things are strained to the breaking-point
4. Getting the most for your efforts
5. Make a sudden, forceful appearance
6. Inflation woe
7. Big talk, no action

Answers:

1. FLASH in the pan
2. Business is BOOMING
3. EXPLOSIVE situation
4. More BANG for your buck
5. BURST onto the scene
6. SKYROCKETING prices
7. WHISTLING Dixie 

Credit: LA Times Crossword
Sylvia Bursztyn and Barry Tunick
FIREWORKS