I really doubt that any sound investment strategy will be made public because it would put the clients of those companies who pay for their service at a severe disadvantage.
It also depends on your definition of:
a) Decent Return
b) Minimal Time
c) Too Risky
When choosing a strategy it all comes down to individual preference and definition of key terms (as shown above).
i am thinking of 10 percent above interest rates in say 3 months and not risky to the point that there is some logic behind and you cna hedge your bets.