feast or famine

Translations
либо пир, либо голод
In the freelance world, it's often feast or famine.
В мире фриланса часто либо пир, либо голод.
Definitions
A situation characterized by extreme fluctuations between abundance and scarcity, often used to describe circumstances where resources or opportunities are either plentiful or completely lacking.
Words
feast

noun
пир
famine

noun
голод