I use this formula instead. 10,000 emails x 0.1 ctr = 1000 leads 1000 x 0.02% sign up = 20 users I want to make sure I got enough leads or first time users an

I use this formula instead. 10,000 emails x 0.1 ctr = 1000 leads 1000 x 0.02% sign up = 20 users I want to make sure I got enough leads or first time users and assuming only 2% of my leads actually sign up. I want to still have a decent monthly recurring income.