Congratulations on both your mourning gecko hatchlings! Most all mourning geckos are female. How they lay eggs is called parthenogenesis. As you may realize Lepidodactylus lugubris are prolific. They're pretty cute! The downside is that it's difficult to sell ALL the hatchlings. One approach I took was to squish unwanted eggs. Then mourning gecko moms would have a nutritious brunch of yolks.
I caught my first 3 hatchling mourning geckos in Kauai, Hawaii gardens in August 1988. They were my first geckos! I was able to fly home to Seattle with them as seatmates. I sold some once in a while. Then I made the mistake of raising 8 Lls during Covid. [Shaking my head back & forth] One month ago I rehomed all 8 with a Seattle person.
I don't regret keeping mourning geckos all those years. However, it was time to let them go.