Thoughts on preseed!

Nena
So unfortunately I had took a pregnancy test yesterday & got a BFN, I cried & so did my SO. And AF popped up hours later. It was our 4th month of TTC & now we're gunna be going on our 5th! I plan on buying preseed, have any of you ladies used it & was successful? Also any other tips! Btw, I am no longer bd every other day, we're gunna try it everyday!