9 days late... 3 negative tests

As the title says, I am now 9 days late, and have taken 2 tests- 2 separate days, first thing in the morning. Read about the “hook line effect” and took one later in the day, still negative. I’m trying not to have “line eyes..”

I’ve been tracking my cycle since April and my period has consistently been every four weeks. Before I was late, my nipples were so sensitive, but I just thought my period was about to start. I’ve been exhausted, had a couple dizzy spells, heavy and swollen breasts, gassy, and so so hungry. I’ve also had slight cramping, thinking my period is about to start but they subside. And one day I had very very light, pink spotting when I wiped after urinating. I don’t really know what to do here! Any advice is appreciated!