安かろう悪かろう
Meanings
1
expression, noun which may take the genitive case particle 'no'
you get what you pay for; cheap things are often poor quality
Proverbial set phrase meaning that low price usually comes with low quality. Often used as a standalone comment or with ものだ.
You get what you pay for — it broke right away.
It's better not to buy cheap, poor-quality goods.