Probably making a solid amount of money. Having shamefully owned a few typo domains in the past, I can confirm this is true. The ad click-through rate on typo

Probably making a solid amount of money. Having shamefully owned a few typo domains in the past, I can confirm this is true. The ad click-through rate on typo domains is absurdly high (~33% IME), probably because the ad is for the domain they intended to visit.