Pros and cons

Pros

Convenient for dinner parties
The cost per bottle is generally less
You can witness the evolution of your wine
Your collection may become more valuable on the secondary market
A good option for long-term stockpiling and lay-downs
Serves as a way to celebrate provenance
Wines can be stored according to vintage

Cons

Wines can be stored according to vintage
Your collection may not be as diverse
The more you buy, the more space you’ll need
Certain wines might not respond well to aging