You can not find investments with high return and have less risk. Those investments with low returns are the safe once. Simply put, those investments offering higher returns are those Ponzi sites or the con sites. They are offering those kind of things as a way to attract more investors then run. About the other hand, legitimate investments offer low go back as they are computing the right dividend to spread to its investors exactly structured on your invested capital.

I suggest you commit your money in trading, this involve high risk, but will depend on your skills and information about the gold coin you are trading. Yet later on, will surely give you profit as you master the right timing on where to sell or buy.