When to track the start of AF

Lizz

So, I am always confused by this... When do you ladies start tracking when AF starts...? I usually get some super light spotting, only when I wipe, then a day or two of spotting heavy enough that if I don't wear a pad, my undies get messy, then she comes in FULL force. So, when would you start tracking? I usually track from the full force. But I'm wondering if that's not right? Any help would be appreciated! Baby dust to you all!