That means this domain is not available at that price which you were expecting, for this you need to pay extra for them. Premium domain rates will depend on the desires of its actual buyer. To avoid this kind of situation, you need to find always a unique name for your domain. Or you can also try the same name just by putting different or additional keywords in it.
From this way, you can get a .com domain name. Otherwise, it will be hard for you to find a .com domain name at low prices. And if you don’t want a compromise on a domain name, there is another way for you.
Now might be a new question that will click in your mind, what is the domain extension?
No need to worry, here you will find its answer. Domain extension means are those keywords that we use at the end of the domain name like .com, .in, etc.