This will insure that your active yeast keeps longer. I don't know why. I buy my yeast in bulk. It's cheaper and more convenient. This little conversion is real handy.
Seasonings are better freshly ground.
That includes black pepper, cinnamon, nutmeg and any seasoning that can be grounded. I buy my seasonings at Penzey's Seasonings. I like 'em. Since most of our dishes that we enjoy was probably first cooked in a cast iron pot, I use my cast iron cookware regularly. I love cast iron cookware.