Bfp and bfn help

Victoria • Mother of 6
OK so AF was due yesterday and I was in the store yesterday and just decided to pick up a pregnancy test . I bought the equate brand and when I took them the both had very faint lines. A faint positive is still a positive right ? Well anyways I still wasn't really convinced I guess . so today I bought a ept digital and got a bfn so now I'm really confused can someone please try to make since of this situation please