Alternative form of a buck's a buck

(chiefly US) Every dollar of income counts toward one's financial well-being; money is a strong motivator, even in unpleasant situations.

A male deer, antelope, sheep, goat, rabbit, hare, and sometimes the male of other animals such as the hamster, ferret and shad. / (US) An uncastrated sheep, a ram.

(intransitive) To copulate, as bucks and does.

(intransitive) To bend; buckle.

(Scotland) The beech tree.

Lye or suds in which cloth is soaked in the operation of bleaching, or in which clothes are washed. / The cloth or clothes soaked or washed.

To soak, steep or boil in lye or suds, as part of the bleaching process. / To wash (clothes) in lye or suds, or, in later usage, by beating them on stones in running water.

(idiomatic, US, colloquial) To strive for persistently; to try hard to obtain (a promotion, raise, etc.).

present participle of buck