Trying for baby number 2

We are trying for baby number 2! We had our first in June of 2020 a baby boy brought into this world during a global pandemic. We will be using pre-seed again. We conceived our first with that. I’ve been tracking since last month. Praying we conceive this month to complete our family. This morning a took a ovulation test with clearblue digital test it was negative ovulation says in 7 days. How long does sperm last inside a women? Help me make this happen again! Which is the best day to baby dance?