What happens to an unused business license (state of PA) after multiple years? What to do to begin using it?

Additional facts are needed to analyze your situation. Such as is your business an LLC, Corp, S-Corp? Does it have any employees? Contact a local...

Building company cashed an insurance check that was made out to my wife, myself, and them.

You should find a construction law attorney to review your facts and assist you.

I recently purchased an existing business in an installments. I am late on an installment and have been locked out by the owner

In Florida self help is not allowed and what the owner did would be illegal. Contact a local attorney to determine if you have a cause of action...

I am a business man of 44 year Bangladeshi,holding B1/b2, can I do MBA in the US ?

You can apply for a student visa. Contact an immigration attorney to fully discuss your particular situation.

Yes, you can request the landlord to sign a non-disclosure agreement. Feel free to contact me if your would like to discuss this further.

I work as an author from abroad, do I need to pay taxes in the USA?

You need to contact a business/tax attorney to fully review your facts.

Disagreement with Builder over earnest money. Do I have a case?

Contact an attorney who can review your entire agreement and the facts surrounding it.

I am a owner operator. my equipment was stolen from the property I was working at. owner sold my equipment. What can I do.

Definitely contact a local attorney who can help you file a legal action.

Business Law, see below

You need to have funds for a check you wrote even if the company closed.

My brother's manufacturing business is in deep debt due to loss of customers. What can he do?

Your brother should definitely contact a business bankruptcy attorney to review all of his options.