Everyone must have these 10 things, and life will be good. (Images from Wikipedia.)
Salt goes well on food and with drinks. It can also be used to melt ice, kill slugs, and kosher meat (kosher salt). see more on Table salt
Vinegar makes things that taste bad taste good, and things that taste good taste better, like adobo pork, salad, or strawberries. You can also clean with it, use it to dye clothes, or make a volcano for your 3rd grade science class.
You can drink it plain, add it to coffee or hot chocolate, or mix it with strawberry syrup. You can cook with, make butter, or ice cream with milk. You can add it to soup or liquor. Even some bath products contain milk. The possibilities are endless. see more on Milk