New to OPK

Ashley • TTC baby #1 with my hubby. This is will be my first time being pregnant & TTC so everything is very new to me

This is my first cycle using an OPK. I got the 20 count Answer brand from walmart and have been taking 1 test first thing in the morning since cycle day 5. Im on cycle day 13 of a 29day cycle and i still havent seen even a faint line but my CM & Cervix seem to say i should ovulate soon.

When should i at least start to see a faint line or a positive on my ovulation test?

How many days beforw you ovulated did you start to see a line?