Google is getting VERY good at catching spun content so you'd better be talented at manual spins. If they DO catch you, of course they'll spank you... and hard. So anything you use spun content on is inherently AT RISK. Worse yet... Google gets better at finding spun/poor content every year. So in the longrun you're screwed. I'd weight your other options and see if you couldn't find a cheaper source for manually hand written content. 

I wanted to add some phrases in the text to see if the spinner will understand them and possibly replace them with similar phrases. As you see, this is just a simple short story that blew out of my head just a minute ago. As a final note of the intro section, I want you to understand that “thesaurus” simply means a database of words and their synonyms. Let’s see how this goes.
I've ranked websites in the past with spun content, and now they are still on #1 position of google. First year (2014) google found me because my spun was really bad, many paragraphs were just copied and my position drop from #2 to around #20 after a panda update. Later I cleaned all my text with better spun (I didn't buy any article!), my ranking went up again, and with more backlinks I reached #1 and it is still there