Mostly it appears you are looking for a scheme to getting rich quick and so you will fall pray to scammers too often as a result, if you are more concerned on realistic earnings over a period of time, chances are that you are very likely to meet good schemes that will most likely turn out as you intend they should for you but when you keep looking foe scheme with mostly unrealistic out comes then it may not really turn out fine because only most unrealistic ventures turns out to be scams in the end. when looking for sources of passive income, make sure to understand whatever it is you are venturing, that way you have a better chance at the investment and the knowing what to do and what not to do at every point of the business, suggestively i know you can trade passively especially if you are a position holder, you will be able to achieve a whole lot that way but you will make sure to learn the act of trading well before you venture into it so you dont get to see it as one of those scam you did mentioned because if you are not skilled enough you may loose some good funds trading.