Mitigating risks of investing in Foreign Currency Fix Deposits

One of my instrument of getting higher than the current T-bills interest is through Foreign Currency Fix deposits. While I have some rules to mitigate the risks, Panzer Grenadier wrote his rules which I also abide in. Do read his blog here

http://fivecentstencents.blogspot.com/2007/10/mitigating-risks-of-investing-in.html

(for those who just want the summary, the 3 options are:
1. Rollover of both principal and interest
2. Rollover principal but collect interest
3. Invest in foreign currencies whose economies are strong)

Have a blessed day!