If you are a foreigner, e.g. no US resident, you are fully taxable with your US LLC profits in your country of residence, e.g. let's say Germany. There is no way to get a tax discount or any other simple magic hack. However, if your lifestyle allows, to become a digital nomad (not living in a single country for more than 183 days) in theory you may operate tax-free (only sales outside of US, domestic US sales are taxable). The big benefit of a US LCC in this case is, that it's 100% trustworthy limited liability company that does not automatically enforce taxation residency for you individually and can be operated from anywhere in the world. No UAE, no Caribbean islands shell companies needed, that ring all bells and will keep business away.
long: It depends.
If you are a foreigner, e.g. no US resident, you are fully taxable with your US LLC profits in your country of residence, e.g. let's say Germany. There is no way to get a tax discount or any other simple magic hack. However, if your lifestyle allows, to become a digital nomad (not living in a single country for more than 183 days) in theory you may operate tax-free (only sales outside of US, domestic US sales are taxable). The big benefit of a US LCC in this case is, that it's 100% trustworthy limited liability company that does not automatically enforce taxation residency for you individually and can be operated from anywhere in the world. No UAE, no Caribbean islands shell companies needed, that ring all bells and will keep business away.