I've had (very) modest success at passive income ($60-100 a month) with a niche iPhone app. The nice thing about it is that it is truly passive. I haven't touched the ting in over a year (I know I should update and improve on it but I lost interest in it pretty quickly).
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I've had (very) modest success at passive income ($60-100 a month) with a niche iPhone app. The nice thing about it is that it is truly passive. I haven't touched the ting in over a year (I know I should update and improve on it but I lost interest in it pretty quickly).