best thing you can do is just try it yourself..
personally..i just spammarama the crap out of my money site and its pages with every shady type of link i can and ive never seen anything negative on my end.. not to say that wont happen but for the last couple of years all the way to today i can't actually say ive had a problem or seen any rank drops or penalties hit my site or its pages and its nothing less pure spam blog website with nothing but spam in a can links.
personally..i just spammarama the crap out of my money site and its pages with every shady type of link i can and ive never seen anything negative on my end.. not to say that wont happen but for the last couple of years all the way to today i can't actually say ive had a problem or seen any rank drops or penalties hit my site or its pages and its nothing less pure spam blog website with nothing but spam in a can links.