In future please use private messaging rather than posting as a visitor.
1st figure our when they want to make the permanent move to the U.S. THEN check on the average processing time at the Consular post. THEN file the I-130s for each immediate relative and make a best guess on when to file.
1st figure our when they want to make the permanent move to the U.S. THEN check on the average processing time at the Consular post. THEN file the I-130s for each immediate relative and make a best guess on when to file.