cheap at the price

Từ điển Oxford Advanced Learner 8th

cheap at the ˈprice idiom
(also cheap at ˈtwice the price) (BrE also cheap at ˈhalf the price)so good or useful that the cost does not seem too much
•To buy all the recommended equipment is expensive, but as an investment for the future it is cheap at the price.
Main entry: ↑cheap_idiom