Hello. I want to open an internet business and offer my service to people in brazil. I live in the united states.

These are questions for Brazilian lawyers. But if you are simply consulting people over the internet, I cannot imagine how it would require a visa.

I am about to take US citizenship soon besides having my own country's citizenship? Can I apply for a third citizenship in EU?

Yes, generally speaking, you can have as many citizenships as you want. Your application may be denied though. Different countries have different...

Time to receive ead some people say 1month after getting the receipt

Unfortunately, there is no way to expedite your process. It may take longer than a month. Good luck!

How can i expedite my process because i have my 2 daughters in my country

Unfortunately, there is no way to expedite your process.

What is the best way to enforce a Marital Settlement Agreement regarding selling a house and college costs?

You would probably have to go back to court (with a lawyer). Your lawyer will likely want you to pay per hour of his or her work. Usually, lawyers...

What state's statute of limitations apply on a written contract when I no longer live in the state the contract was signed in?

Check in the contract for a section that specifies the laws of which jurisdiction apply.

Immigration

No, marriage through skype will not be valid in the US.

How many time i have to wait for my ead i ready receive the receipt after 2 weeks. it is in Newark office. thanks

1-3 months would be a good estimate.

No, you'll have to wait for your husband to come back to the US together.

Can my boyfriend be let back into the USA?

Maybe. It will be at the discretion of an immigration officer.