commodity trading systems for MCX

can someone pl share ( or IM ) me some strategies to Trade Silver ( MIC / Mini etc) in MCX.
When to enter - when to exit. Safely in or out .I just got stumped with an ugly trade - cost me Rs 700+
what do you look at .
what technical and fundamental indicators .
I am looking for a simple trade strategy - need not enter all times but when I enter - I minimize the risk

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