Advertising is not a common startup business model because it typically requires a large user base to generate significant revenue.

The main goal of a startup's business model is to provide a valuable product or service that meets the needs of its target market.

Exit strategy is not a key element of a startup's strategy because it is not essential for the success of the startup.

A business model describes how a company will make money, while a strategy describes how a company will achieve its goals.

Bankruptcy is not a common type of startup exit strategy because it is a negative outcome for the startup and its investors.

The main challenge that startups face when trying to scale their business is lack of funding.

Government grants are not a common type of startup funding because they are typically difficult to obtain.

The main benefit of using a lean startup approach is that it allows startups to test their ideas quickly and cheaply.

Customer lifetime value is not a key metric for measuring the success of a startup because it is difficult to measure and is not always a good indicator of a startup's long-term success.

The main goal of a startup's marketing strategy is to create a positive customer experience.

Paid advertising is not a common type of startup marketing channel because it can be expensive and is not always effective.

The main challenge that startups face when trying to hire employees is lack of talent.

Bureaucratic is not a common type of startup culture because it is not conducive to innovation and growth.

All of the above are common challenges that startups face when trying to scale their business internationally.

Shark Tank is not a common type of startup accelerator because it is a television show, not an actual accelerator.