Go to these three threads (closing soon - hurry!) and make 3 valid posts in EACH of them (3x3=9 minimum) before January 1.
https://www.getdare.com/bbs/showthread.php?t=355415
https://www.getdare.com/bbs/showthread.php?t=356673
https://www.getdare.com/bbs/showthread.php?t=356404
If you miss making the posts before threads close (different dates for each!) - you must make 2 posts for every one you miss.