Please I need advice

So AF is due in 6 days, I’m I think 8 or 9 DPO. My breasts/nipples have been very sensitive and sort of sore. I’ve had pretty bad heartburn the last 4 days, and I never get heartburn anymore. I’ve also felt bloated and I did get a strong metallic taste in my a mouth a couple of nights ago. I’m not sure if it’s too early to take a test yet, I’d rather wait to see if my period actually does come or not, but what do you guys think?