There are lots of them! Check out Freenom and Dot TK if you're looking for a free domain name. You can also use sites like WordPress, Tumblr, Wix, Weebly, Blogger, and Google Sites to create totally free websites.
There are a lot of great self publishing companies out there. Do your research online to compare the costs, types of publishing packages, and the different types of price points.
Technically, you can host a website on your PC. However, the reason we use web hosting companies is because they have much faster connections to the internet than we do...
No, but there is to being eligible to get a tax number. That age depends on your country, and sometimes you need attain a certificate for business management, too. Maybe...
Use ad blocking software! An extension like uBlock can be good (and can even be used to block adult content), though sometimes goes a bit too far, which makes browsing...
Aslproz.com, lifeprint.com, handspeak.com, spreadthesign.com. The signs may vary between websites, but that's because signs can vary regionally and also there can be multiple signs for a word just in general.