Noun
bottom of the line
(idiomatic, often used attributively) The worst or lowest quality on the market, especially among a range of products.
Our simple-pattern stainless flatware is the bottom of the line, but very practical.
The bottom-of-the-line patterns don't have complex designs, which are harder to make.
bottom-of-the-line
The 19 hijackers that came over here to commit the attack on Sept. 11, there were those that were at the bottom of the line. There were those who were the principal conspirators. There were those who were the pilot. Everybody has a role. Robert Mueller