First Month TTC- question

Camber • After 3 years of TTC, our first baby is due 5/1/2018. ❤️ We’re having a baby BOY! 💙🐳🐟💙
Hi all,
​This is my first month TTC #1. I tested 10, 11, and 12 DPO (I am currently 12. DPO) and got all BFNs. I have some symptoms though. About a week ago I experienced light pink spotting. My breast are sore, and I am extremely emotional. This is not typical for my cycle. Is it common to get a BFP still? I see a lot of people get tests (at minimum a faint line) as early as 8 DPO. AF due 10/17. Should I just wait it out? Do a lot of people get BFNs this early and end up getting a BFP later? I didn't realize how draining emotionally this whole process is. Any help or advice appreciated, dust to all!