Yes, domain reselling is a lucrative business today. There are several examples of domain owners who made huge profit on selling of some wonderful domains. The reason is they might not have thought about selling their domains at such a high price when they purchased the domains. Reselling of domains can be more profitable if you purchase them smartly and promote them adequately.
Domain reselling business is blooming every day. About three lakhs domains are being registered every day. With such a huge number of domains being registered every day, there is a huge potential for domain reselling business. If you're an owner of some good domains, you can make huge profit out of selling them to customers ready to pay enough just to get ownership of domains of their choice.