3,000 posts in a week means making around 430 posts a day. Take away 6 hours away for school, 8 for sleep, and 2 for eating, dressing, and so on, would make 430 posts in 8 hours, or about 55 posts an hour. On non school days, you can make 430 posts in 14 hours, or about 30 posts an hour. You can post every 40 seconds, which means 90 posts every hour. Therefore, it's possible!