Spotting?!

Gabby.
I've had 5 faint positive tests since Monday, AF was due on Tuesday, 11/3, and never showed up (so I would be 4w2d). Although all tests have come back faint, they do seem a little more noticeable each day and the line has always appeared before 3 minutes is up and has color so I know they haven't been evap or indent. But I just went to the bathroom and when I wiped the toilet paper was light pink, and now I want to freak out and cry. It wasn't a lot, but now it has me so so worried that something is wrong. Please help me!