REI as yellow plastic stakes that are lighter than their aluminum ones. I don't like them, but they are only 75 cents apiece.

The frame on my external frame backpack is made from an aluminum magnesium alloy.

The Pareto Principle suggests 80% of the weight you can eliminate will be 20% of the cost and the other 80% of the cost will eliminate the last 20%.

Another way to put it is "Pounds are cheap, ounces are expensive."

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