She had a seemingly good plan (Ponzi), and it has been executed perfectly so far. At first glance, everything looks legitimate, but when you start digging, the red flags begin to appear.
Why now...This is my theory...
She couldn't find anyone to lend her the money for the payback... and she knew that @tinabrezpike would write a post... that is why she didn't post anything for the last 12 days, so she could keep her reputation.