I hope the theme isn't too confusing. I just took phrases with roman numeral letters, and made them numbers. (For example, a large bottle of pop is 2 litres, "2L"; L=50, thus TWOFIFTY
★ What a large soda bottle may amount to
). I wanted to make sure every clue worked with both meanings, so SIXHUNDRED
★ Home to the presidents (after the first one)
was a bit tricky.