How Early...

Coopaloop

Just curious...how early did you get a BFP and what test did you use?  

I sent my husband to the store tonight to get a first response ept test because I've heard those are the best for testing early (the box says 6 days before missed period...).  Of course he came home with the wrong test!  Wondering if I should just wait a few more days (tomorrow will be six days before missed period) or if I should take a test that deliberately says on the box "5 days before missed period...".  Does anyone know - do these tests ever show positives earlier than advertised?  And I know that it lists the percentages on the box of the likelihood of detecting pregnancy - I know it is low - I am (obviously!) just super anxious.

Thanks in advance!