There are a lot of free website building services available on the net, such as Jimdo, Zoho Sites, Google Site, Wix. These services offer free domain. As an example, a website build on Jimdo free service can use sitename.jimdo.domain as its fully qualified domain name (FQDN).
Many website owners choose free domains because they do not want to reduce costs to build and maintain websites.
However, you should notice that websites using free domains cannot get high scores in search engine result pages because search engines exclude or give low scores to contents provided through free domains.
This behavior comes from the fact that free domains tend to host websites that provide malicious contents. Needless to say, there are exceptions. Official websites of celebrities get high scores, for example, but you cannot expect high scores unless you are a celebrity.
You have to pay some money to acquire your custom domain. Luckily, the cost can be as low as a quarter US dollar if you can make use of marketing campaigns. Notice that you should pay annual renewal fee that domain sellers do not discount. Annual renewal fee varies 10 to 30 US dollar depending on your top-level domain. In case of net domain that this site use, it is about 10 US dollar.
You can use japan-inbound.net domain as long as your sites satisfy predefined conditions, which means, you do not have to pay any money to acquire and renew your domain. If you want to use e japan-inbound.net domain, please feel free to contact us.