Penalty For Not Filing For Renewal Before the 90 Days, Filing For Son, and Filing for family members

Brad Bernstein answers immigration questions about: -Conditional green cards, will be expire soon but never fill out the form for renewal before the 90 days, would there be a penalty? -Filling for 18 yr. old son in Jamaica, how long will the process take? -What's the best way for me to file for my sister in Jamaica?