earns one's keep

Verb

earn one's keep (third-person singular simple present earns one's keep, present participle earning one's keep, simple past and past participle earned one's keep or earnt one's keep)

1. (idiomatic) To perform satisfactory physical labor or to provide other worthy services in return for remuneration, lodging, or other benefits; to support oneself financially.
   • Being a very strong, active man, with gift of versatile hand and brain, and early acquaintance with handicrafts, Christopher Bert could earn his keep.1880, R. D. Blackmore, chapter 41, in Mary Anerley: A Yorkshire Tale

   Synonyms:

   earn one's corn, earn one's crust, carry one's weight, bring home the bacon, earn a living, keep the home fires burning, put bread on the table, put food on the table

2. (figuratively) To be worthwhile.
   • The lack of bottom-end grunt presents as a particular problem in hilly terrain where the five-speed manual gearbox really earns its keep.2021 February, The Road Ahead, Brisbane, page 55, column 2