You can get money by blogging in two ways.
1. Get paid to blog.
2. Monetize your page with ads.
See related questions for more information.
1. Money left after a business pays expenses
A blog that the author gets money for each of his/her posts.
Interest.
The person who borrow money.
Yes!
The best way to gain money with a blog is to place ads. Every time someone clicks on an ad the owner of the blog will recieve money. One company which is offering these ads is Google Adsense.
a tooth fairy pays you coins i got a £2.00 from them
It is not always free to start a blog. It depends on what type of blog you want to start and whether or not you want to make money with the blog.
a parent pays the birthday girl money so she can handle her own money because she is growing up
As per my experience you can present your interest through blog and earn money.
Yes it is possible to make money off your blog. If you have a personal blog this is usually done through advertising. You can also be paid to blog for a company or news organization.
Aluminum pays the most money. However, recycling gold pays pretty well. :)