Another “Super” domain sold in xx,xxx range

I mentioned yesterday that there were 3 “Super” domain sales. I found another “Super” domain sale in xx,xxx range. The domain is SuperPlumbing.com sold for $10,000 and it has been sold at Sedo. I wonder someone might be collecting “Super” domain names like this as well as the other 3 “Super” domains sold (supermechanics.com , superelectricians.com and superpainters.com) or may be it might be just coincidence.

They are good domain sales for the seller/sellers.