Low-Hanging Fruit
The easy wins requiring minimal effort. Orchard metaphor. By the time anyone mentions it in a meeting, the fruit in question has usually been hanging for three years untouched.
Heard in the wild
“Let's grab the low-hanging fruit first and fix the login page.”
Tone check: Cliché
Top-five most exhausted metaphor. If it were actually easy and valuable, someone would have done it.