It is very interesting to note that many local financial institutions are prompting everyone to invest in gold and commodities when it is so damn high.
Our study in human behaviour is that the public always get it wrong. So I wud like to postulate that we are in toppish area where gold and commodities are all time high and we wud see a bearish trend very soon.
Here is monthly Gold futures chart.

Here is a monthly commodities e.g. Crude oil futures chart

Having said that, I hope I am wrong in this perspective i.e. commodities and gold can go higher. But let's wait and see ! I rather be shorting commodities and gold futures.
So the lesson here is to have an exposure on both long and short direction strategy for commodities and gold so you wud make $$$ on either way!