Is there any downside to "failing" a platinum challenge? Other than not qualifying for platinum, of course.
I have a shot at 10k EQPs between 8/15 and 11/14; it depends on whether or not I have to do a ORD-LHR-ORD in September, which I probably won't know until 9/1 or so. But, even if ORD-LHR-ORD happens, I won't make 10k without my activity between 8/15 and 8/31.
So what happens if I sign up for PLT challenge starting 8/15, then don't make it?
Is there any reason not to sign up on 8/15 even though the outcome is in doubt?