Must-have

Two must-have documents for international students in the United States are a Social Security number and a driver’s license with a photograph or other state-issued photo ID.

This is a must-have tool for campers.

The steak at Adriano's restaurant is a must-have.

A washing machine is a must-have for any home.

This game is a must-have.

Popcorn is a must-have snack for these nights.

The must-have toy is the apotheosis of the marketing of toys as fashion accessories.

The selfie-stick is this year's must-have.

There's a huge gulf between “must-have” and “nice-to-have” products. If you sell a nice-to-have product, no one, not even your best friends, will use it long term. We all focus on must-haves.