I worked with these before- had 3 babies out of my pairs over a few years time. Not long after the ban began, a neighborhood kid came along and cut my cages and let them out. Only time I've ever been vandilized and I never found the skinks again...
Price is probably too low for what they are-
They can live 20 or 30 years.
They have a baby or twins only every year or two.
Babies take 3 years or so to mature.
Breeding groups require care because this is a social lizard that can suddenly turn on it's mate and seriously injure or kill it if not given enough space.
These skinks form bonds within groups- I saw babies on mothers and fathers backs and saw protection in the group. I never tried it, but supposedly babies raised in constant contact with a human can "bond" to a human and see them as protection in a strong way that is likely not found anywhere else in the lizard world.
Contrast that with the price of a fancy ball python and how common those are and how many babies they have and how often they have them.
Price is much too low in my opinion. That's true of lizards across the board when compared with prices in the snake world.
Trust me, anyone with monkey skinks now a days is trying to breed them and is treating them like the gold they are- the idea needs no promotion by lowering their value...
And for you guys who don't remember how cheap they were at one point- I got my group of 10 for $40 each wholesale before the ban...