How do you interview your client to obtain all the information you need to determine eligibility? How do you deal with prior criminal activity, DUIs, drug use, fraud, or smuggling? What techniques should you consider to uncover hardship factors and marshal the supporting documentation?
How old do you have to be to sign an affidavit of support or be counted as a household member? To qualify as a stepchild? To derive citizenship when your parent naturalizes?