It is common enough to have applications decided on different dates.

Hire an experienced immigration lawyer for the narrow task of filing a notice of errata.

It is a good sign that they kept your passport. Just wait a few weeks.

The minimum investment depends on the area in which he invests. Work with a lawyer.

No, not even with a fee. Visa EB2 for a foreign professional holding advanced degree requires I-140 immigrant visa petition. Get a lawyer.

No, it is far from ok. Do not try to self-represent, rather hire an experienced licensed immigration lawyer that knows what the rules really are....

Self-representing in immigration matters generates legal conundrums such as this one. A family based immigrant visa petition I-130 does not require...

It appears that you have an urgent case. Book an in person appointment with an immigration lawyer. You are going to need you passport(s), I-94,...

It is possible. Book an appointment with an immigration lawyer of your choice for the proper consideration of your matter.

Yes, you are eligible for TPS if your country is designated fro TPS.