As an aside, have any of those inspiration struck domains ever paid off or been developed further? I ask because I've registered about 50 of them over the last

As an aside, have any of those inspiration struck domains ever paid off or been developed further? I ask because I've registered about 50 of them over the last 3 and a half years and after a good nights sleep the fire has usually died down and they languish in my account until expiry...