Description of the activity and instructions Comparative Fiscal System

As a tax advisor, you are approached by a potential client. She is Ms$.$ Fatima Perez, who identifies as a digital nomad because her daily activities include:

$$ Investing in equities on a global scale.

$$ Investing in crypto assets.

$$ Providing professional consulting services in technology, specifically in artificial intelligence.

Ms$.$ Fatima is a fiscal resident of Madrid, Spain, but she conducts her activities globally. In other words, her investments and clients are both in Spain and abroad.

Due to developments in information technology, she is considering moving her fiscal residence to Cancun, Mexico, where she will continue her investment activities and consulting services. Due to Mexico's proximity to the United States, Fatima plans to expand her investments and client base in the U$.$S$.$

Therefore:

$1.$ Explain what an LLC is and its key features.

$2.$ Confirm whether she can open an LLC and operate through it without becoming a tax resident in the United States.

$3.$ Outline the steps to establish an LLC and identify the most advantageous U$.$S$.$ state for registering the LLC$.$

$4.$ Create a comparison table outlining the advantages and disadvantages of an LLC$.$

$5.$ Provide an explanation of the U$.$S$.$ tax treatment for an LLC$.$