My question is regarding sponsorship option. I am applying for COS from H-4 to F-1

Talk to your DSO.

Hi, I am on J-2 VISA and painting is my hobby and now I want to sell my art work from home through art galleries or on online.

I wouldn't do it.

My brother spent 2yrs in prison and is currently detained by immigration at Eloy. Been there 4yrs fighting for his immigration.

Dr. Smith gave you some very good advice.

I want to know if in applying for citizenship, I need to send my application and that of my wife in one package or separate.

It's up to you, but me personally, I send them separately. That's just what I do.

What if i don't have the original I-94 (which is expired) but the copy

I agree with Dr. Smith.

I'm more than a year out of status on a VWP entry and need help to stay with my US wife and stepchildren.

Hire an immigration lawyer.

If legal green card holder for 30 years was deported in 201 2for aggravated felony ,if new law pass can he return to us ?

Depends on what the new bill says that may or may not become a law.

US Citizenship

I agree with Mr. Smith.

Can a Canadian start a company in the US, then legally hire himself as an engineer and be under the TN work visa?

No.

That's a Mexican law question.