The best that money can buy phrase informal
Stacy's friends gave her the best advice that money can buy.
Peter's parents always wanted him to study in the best school that money can buy.
A product's feature that likely to make people want to buy it.
If you say that you carry all before you, you mean that you successfully defeat all of your opponents in a battle or a competition.
The best person or the best thing of a group in which none is good.
The best or the most excellent
To destroy one's plans or ideas, often by doing something better than them
If someone has a cast iron stomach, they have a strong stomach that can digest unusual food and even bad food without being ill.
Jimmy must have a cast-iron stomach, when he drank milk with lime juice and felt perfectly fine afterward.