TV series example of the word

The Big Bang Theory Season 6, Episode 20
It would be nice to have the income, stop taking money from my parents.

Breaking Bad Season 4, Episode 9
Unreported income.

Breaking Bad Season 4, Episode 9
How gross income for a business is defined, you're not allowed to do that.

Breaking Bad Season 4, Episode 9
income is income. You're not allowed to not declare it.

Game of Thrones Season 3, Episode 4
And what did Littlefinger say about this loss of income?