The very next line of this flick is quoted at the beginning of "The Answer Is Still No" on Making Friends by No Use for a name. "What's your name?" "Fuck you, THAT'S my name."
@tecnats in the movie, they give them leads or addresses of people. They have to call them up and persuade them, "the customer", to invest in land. They say the leads are weak because their bosses give them recycled leads or just customers who have no money.