Many websites on the Internet will link to your website if you pay them for the links. Is this a good method to increase the link popularity of your website or can you get in trouble if you use paid links?
What does Google think about paid links?
Google is very clear about paid links. [...]

About The Author: Willie Crawford is an internationally-acclaimed speaker, author, seminar and radio show host, and leading Internet marketing expert. When not out fishing in the Gulf of Mexico, Willie can be found sharing his 12 years of online marketing experience with members of The Internet Marketing Inner Circle. Join them at: http://TheInternetMarketingInnerCircle.com

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In an online webmaster forum, a webmaster described the link experiment that he did with his websites. He tried to find out how linking to the home page affected his rankings.
What did the webmaster test?
The webmaster tested the effect of links from sub pages of his website to his home page. He tried links to [...]

If you avoid the following things, it will be easier for Google to index your web pages:

Things that you should not do in your web page titles

Do not use web page titles that have no relation to the content on the page.
Do not use general web page titles such as “Untitled” or “New [...]

Two weeks ago, Google released a so-called search engine optimization starter guide for webmasters.
Of course, the Google document does not tell you how your website can be listed on Google’s first result page. It is more a checklist of things that you shouldn’t do if you want Google to index your web pages.