Has it been profitable for you? What tips or tricks do you use? Any suggestions for not making it spammy?
I always try to leave a nice comment with my link to a Hub, hoping that it will truly be profitable information for people.
I have created a few video's on Youtube to enhance my hubs. I think you have to have an awful lot of videos on Youtube to make it profitable - nevertheless it is nice to earn a little from them - something is always better than nothing in my eyes.
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