I never did say in my post if I thought boys were harder to sell
I probably get 1 phone call for a boy to every 3 to 4 for a girl. Girls generally go first thing and are more popular.
I sell on spay neuter and still charge more for girls. I will be truthful as to really why. They are more in demand and people will pay more even without the option to breeding them. Because its been passed on and on that girls are better pets.