タダより高たかいものはない

expression, i-adjective

nothing is more expensive than something free; there's no such thing as a free lunch

Proverb warning that free things often come with hidden costs or obligations.

• タダより高たかいものはないというから、無む料りょうのセミナーには気きをつけたほうがいい。

  They say nothing is more expensive than something free, so you should be careful with free seminars.

• 彼かれはいつも「タダより高たかいものはない」と言いって、怪あやしい儲もうけ話ばなしには乗のらない。

  He always says 'there's no such thing as a free lunch' and never falls for suspicious money-making schemes.