If you like milk fat, store cans of evaporated milk in addition to dry milk. If you add a cup of water to a cup of evaporated milk, you have something that is a lot like milk and has milk fat in it. This isn't as important for baking, where non fat dry milk is fine. But, for instance, if you want to add milk to your oatmeal, evaporated milk would work great. I have even successfully used cans of evaporated milk years past their expiration date with no deleterious effects.
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If ye love wealth better than liberty, the tranquility of servitude than the animated contest of freedom, go from us in peace. May your chains sit lightly upon you, and may posterity forget that you were our countrymen! - Samuel Adams
Another good tip is that, at least in some stores, you can buy powdered buttermilk. Buttermilk works much better in some recipes than plain milk.
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If ye love wealth better than liberty, the tranquility of servitude than the animated contest of freedom, go from us in peace. May your chains sit lightly upon you, and may posterity forget that you were our countrymen! - Samuel Adams