Is dollar tree test good!? Are they accurante?!

Nena • Am 26years young lol Married with my best friend highschool sweet heart for 5years. Been together for a 8years. We have one buddle joy a baby boy my king!Trying for baby#2 wish me luck! 😊💜🙏
The second one its darker ! 😊Took this morining at 5am the first in the evening yesterday. Dollar tree test! Are really good like ppl say?! Or should i go buy first responds to make for sure?