Walmart 88 cents pregnancy test

Well i am 4 days till my period is due and i have been having symptoms and stuff but i took a test a few days ago and it came up neative ten yesterday i took the blue dye equate vrand test and showed a thick blue line fain but there then i took the 88 cens test at first nothing then after 3 mins this thin pink line shows on it ... What is it could it be a evap or positive? Ill poat a pic in the comments of the 88 cents test