Selling point noun
A particular feature that makes something persuasive, attractive or marketable to people
Durability is our product's selling point.
Great customer service is always a good selling point to any hotels or restaurants.
The unique selling point of this new product is eco-friendliness.
The best person or the best thing of a group in which none is good.
The best or the most excellent
1. Not fine; not feeling well or healthy
2. Not very good at quality or standard
Used to describe a person who has the necessary qualities for a specific role, task, organization, etc.
If you fall for someone's trick the first time then they are at fault.
Are you going to mess with me again? Fool me once, shame on you; fool me twice, shame on me.