Imo it is not possible for google to detect properly spun content, it is not worth computing power it requires. They can do this using ngrams for example, but it is uses a lot of queries. And for example article spinner I coded beats this algo, so google cant detect that the content is spun. Manual spinning is also good but it takes more than 30 minutes per article.

Some favorable aspects to selling them on the web and writing posts is that you just really get to supplement your monthly income. In this difficult market who can not use a few extra dollars? Lastly, only consider the knowledge you're getting by having to study some of the issues you write about. You will shortly be, or are, a fountain of useless info.
Anyone can do this, all you need is a computer and the ability to string a sentence together. You can write original articles and submit them to article directories and get paid. You have to apply to these sites and may or may not get turned down. If you should happen to get turned down then just keep plugging away until you find someone to "hire" you.