A proverb meaning that free things often come with hidden costs or problems; there's no such thing as a free lunch.
あの会社の『無料』セミナーに参加したら、後で高額な教材をしつこく勧められた。やはりタダより高いものはない。
I attended that company's 'free' seminar and later was pestered to buy expensive materials. Indeed, there's no such thing as a free lunch.
友達からのただの情報に飛びつく前に確認しよう。タダより高いものはないからね。
Before jumping on 'free' information from a friend, double-check. Free things often have costs.
ネットで無料アプリを入れたら、広告や課金が多くて結局お金がかかった。タダより高いものはないと実感した。
I installed a free app online, but with lots of ads and in-app purchases I ended up spending money. I realized there's no such thing as a free lunch.