on one's own
Debes hacerlo por cuenta propia.
You have to do it on your own.
Vine por cuenta propia y así me iré.
I came on my own and I'll leave that way.
— La princesa Mononoke (1997)
Vino por cuenta propia a apoyar a su hermano.
He came on his own to support his brother.
Nuestro amigo actuó por cuenta propia.
Our friend acted on his own.
Tom es un fotógrafo por cuenta propia.
Tom is a freelance photographer.
Él trabajo principalmente por cuenta propia.
He worked mainly for himself.
Por aquellos días tu padre trabajaba por cuenta propia.
In those days your father was self-employed.
A veces un hombre hace cosas por cuenta propia.
Sometimes a man does things on his own.
— Algunos hombres buenos (1992)