Why did the phoenician establish carthage

Phoenician establish Carthage to serve as a trading post

The Carthaginians, like their Phoenician ancestors, were extremely prosperous merchants who traveled the Mediterranean with their assets, and such was their conclusion that Carthage became the most expensive city in the classical world. Elements, foodstuffs, laborers, and high-quality produced goods such as expensive clothes and gold ornaments were purchased and sold to anyone who could provide them.