I did over simplify it a bit. For a standalone you'll need to meet the part 61 requirements - 61.109 for private and 61.129 for commercial, which you should already meet but they have specific requirements for dual cross country etc so it's worth checking. Then pass the written (60 or 100 questions) which you could pass with a few days study. Then the oral/flight test to include ground reference maneuvers. You could do it in a week if you study at home.