A brand new domain, for instance, will have to wait for a few days before getting indexed by Google and other search engines, and then its owner will need to go through the tedious process of search engine optimization, which takes time and financial resources. High authority expired domain names on the other hand, offer a short cut and allow you to get down to business straight away.
If you bought the domain name, the typical procedure is to unlock the domain name, then either push it to your account at the same registrar (such as https://www.domainsherpa.com/how-to-push-a-domain-name-at-godaddy-com/) or send you the authorization code so you can transfer the domain name to a different registrar (https://www.domainsherpa.com/how-to-transfer-a-domain-name-to-another-registrar/).
Hi Kulwant, these are great tips as usual. I particularly like the way to tell us to check the google pagerank in case the domain has been banned – that could lower the usefulness of the domain quite a bit. One thing though, don’t you think that buying domains is sometimes immoral? Like sometimes you accidentally buy a domain of somebody elses website who forgot to renew.
 On April 11, 2016, SnapNames (owned by Web.com) and NameJet (partnership between Web.com and Rightside) combined resources on pending delete/dropping domains to better compete with other drop catching services. Going forward, backorders placed on either platform for pending delete names will go into a common backorder pool and will be fulfilled either by NameJet or SnapNames depending on which platform the backorder was placed. Pending delete names that have multiple backorders will be placed in a common private auction accessible to bidders from both platforms to participate in the live auction. Minimum bid increments and proxy bidding rules for NameJet will be modified to match those of SnapNames. Registrar expiry, and direct lister inventory will not be affected by this integration.
1) pending delete auctions. These are domains that were not renewed and are going through a pretty complicated drop process. You can backorder these names at the auction venues and then each attempts to "catch" the dropping domain. If one is successful you win the domain at $59 if you're the only one to backorder the name. If more than one person backordered the domain a 3 day private auction is held. Once the domain goes through the drop process, the back links have pretty much zero SEO benifit to the new domain owner.
The dropdate for the following TLDs is not verified. Domains might drop earlier or later: .eu .cat .travel .ae .af .as .at .aw .be .bg .bi .bj .bo .bw .cl .co .cx .cz .dk .dm .es .fi .fo .fr .gd .gg .gi .hk .hr .hu .ie .io .iq .ir .je .jp .ki .kz .lt .lu .lv .md .mg .mx .nl .nc .nf .no .nz .pe .pf .pl .pt .ru .sg .si .sm .sn .so .st .su .sx .to .uk .uz .za .berlin .cloud