It's so hard being patient!

Tara • 02.22.16 ZJLA Baby #2 is on his way!!!!
I BD & ovulated Monday, sep 29. My breast started feeling heavy/larger by Tuesday, Oct 7. And since Wednesday, Oct 8 (until now oct 10), I've been spotting. Which I am *hoping* is implantation bleeding. My period isn't due until Oct 14. 
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​It all seems to perfect/easy so I don't think I'm pregnant. But I sure hope so!! 
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​I think I might try taking a dollar store pregnancy test tomorrow. Idk... I'm too cheap for the fancier ones but I just want to know!  
​Thoughts? Suggestions?