By definition, there are two different forms for different petitions. I130 for family and I140 for employer petitioner.

Probably no complications would be anticipated.

You must respond to the RFE properly and timely. The assistance of experienced immigration counsel is crucial for a proper response.

You did not say where you will be travelling from. If your departing airport is in the US, flight to PR is considered a domestic flight. A valid DL...

Your USC spouse may petition for your US permanent residency. The felony conviction may pose some problems. Speak with an immigration attorney for...

It appears you don't have an immigration issue now. I have transferred you to others who may help with tax problem

(PIP) Parole in Place, may be availed to those who are qualified and meet all eligibility criteria. Speak to a qualified immigration lawyer for...

You may consider retaining an immigration attorney to review your goals and provide possible options for your specific case.

When your priority date of your I130 is current and continue the process for US permanent residence for your son.

Your question is unclear. What are your concerns about applying for green card?