quick buck

Noun
1. quick or easy earnings, "they are traders out to make a fast buck"
(synonym) fast buck
(hypernym) net income, net, net profit, lucre, profit, profits, earnings

money earned quickly and easily (and sometimes dishonestly) The company is only interested in making a quick buck and is not at all interested in quality.

slang. หาเงินได้ง่าย, หารายได้คล่องและเร็ว