With interest rates so low today, investors wonder where they can keep their money safe both in terms of their principal and purchasing power. We recently discussed Fixed Annuities as one substitute for CDs or bonds, with the conclusion that Annuities are best for investors over 59 1/2 who don’t need liquidity for at least five years. For others, one often overlooked option is Inflation-linked Savings bonds, officially known as Series I Bonds.