Purchase a domain name and build a site and put Adsense on it. I'm pretty sure it doesn't matter how old your site is as long as you've got good content on it. I put Adsense on sites that are a day or two old all the time and get them ranked within a day or two...

Send me a PM. I got the ultimate solution + expierience with tools plugins , SEO

Ah forget about contend and link submittion. THese days there are better business models around which have instant effects.

hope this helps.

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You can put adsense in your blog as well, Content is very important it must be quality and fresh. You can use social networking like Facebook and Twitter to promote your blog in order to gain traffic.

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Ok quick rundown of a good way you can make money with adsense.

1. Get hosting, hostgator and godaddy are good ones to start with (i know it costs money but you should be able to make it back in no time)

2. Find a niche: use micro niche finder if you don't have that then google keyword tool is fine with the help of google itself. make sure it has low competition strength but a decent amount of search volume around 1,000 or more is good, more the better. use this as your main keyword

3. once you find your niche get about 4 or 5 more keywords that fit the same criteria as above.

4. ok so you got your niche and your keywords, now buy a domain name using your main keyword, try to get a .com .net or .org and if you can't find your keywords then add a short phrase at the end.

5. build your website, you can use wordpress if your good at it and can optimize it for SEO well. otherwise simple html sites are good, sitespinner is a great visual html editor if you don't know html.

6. add content to your site, search Google for your niche and completely rewrite what you find, no plagiarism! get about 5-6 pages each one targets one of your keywords also add an About Us, Contact and privacy policy to the site, add a few adsense blocks and some pictures to each content page

7. write articles that include one link to your main keyword and one link to another one in the author resource section, ezine is best
Digg and twitter also help, finding blogs and forums around your niche and posting helpful comments or replys that tastfully link to your site or have the links in the signature help too, if done right you should be able to rank well on google

ok so this is a quick run down

If you want some better info X-FACTOR has a great WSO, go check it out

Enojy

If there is a any hard thing in adsense that is in getting your adsense account approved.

Once you have your adsense account approved, everything comes easy as in buying a domain, setting up a website, post one or two articles and place your adsense code..

you could start by writing about something you are passionate about. Once you have enough content (at least 5 posts), I would start doing some online marketing as well.
You could do free (article,video,social) or paid