You can move the location of your business, but you will have to re-register it in the new state, acquire new licenses, and you are responsible to pay taxes in the location. If you are an affiliate, you should pay close attention to the laws of the state you plan to move to, as several states have determined that affiliates can be used to define residency in a state. Though the tax implications for affiliates do not change in this situation, your advertiser could be responsible for income tax in locations where they previously where not required to report. In some situations, this has caused advertisers to suddenly drop affiliates. For more on this topic, you can read New Rules for Collecting Sales Tax Over the Internet.

So if you were to move out of the current state you are living in and move to a new state, the federal taxes would be the same, but the state tax would just move to the new state? Or can you not change the location of the business after it is created?

this is a good question. i've heard that you also have to declare the money you get from the affiliate programs

What happnes if you dont pay taxes? How can they know how much you get from your website? If you are working on affiliate program you must also pay taxes?

You should pay taxes to any earning you made. If your business is register in the US then you pay taxes in the US even if you are hosting is Siberia. But the best thing you can do is consult a lawyer to see the do's and don't and what is the most favorable situation for you.

You simply need to pay taxes on all money earned . Regardless when you earn through affiliation or not.

But... If you have a website that means you can manage it from everywhere you have an internet connection... You move let's say for 6 months in Europe you will need to pay taxes to the local deparments? Is a very ambiguous situation...

Yes, you must pay taxes in the US over all money earned offshore. You can consider to refer payment to an offshore account for a while but eventually when the money is transfered to the US you must pay taxes.   You can only defer the payment for so long, about 12 months and after that it will be considered tax evasion, so I would personally not consider to do this and simply transfer all the money earned to your US bank account and pay taxes on the money earned.

Businesses are registered where the business owner lives and conducts business. Therefore, U.S. residents need to register their business in the state in which they live and they pay taxes to that state, regardless of where a sale might have occurred. You pay taxes on the income earned from the business activity to the state where the business is domiciled.

I think, you should start from here