Can an E2 owner-investor who plans a start-up also have another visa (TN?) for a cross-border non-profit organisation? Yes

It depends on what objective you are trying to achieve. You also get 60 days grace period if you have authorized stay until then.

Expiration of visa has nothing to do with status. If you are interchangeably using it for status or authorized stay, repost your question using...

If you are contacting attorneys and they are not returning your calls, then you are contacting the wrong kind of attorneys.

See if your employer will consider you work remotely mostly and then commute when necessary to work on site

You can initiate the I-130 and see where in the process it is when you wish to return. This route seems appropriate due to your circumstance

There were DOL attestations made by the employer regarding the permanent job at the salary mentioned on the prevailing wage. If the employer does...

It is best not to get legal advice or guidance from anyone except an experienced attorney. She is not only out of status but accruing unlawful...

Visa is a travel document and I-94 determines your authorized stay in the U.S. and when it ends. If your spouse has stayed past the I-94, she is...

Usually filing multiple applications is not recommended as the result might be contrary to what one is expecting. However if you must, ensure you...