Celina Martinez

Celina Martinez

Born and raised in Yuma, AZ, Celina moved to Tucson, AZ, to pursue her education and graduated from the University of Arizona. She began her career...Full Bio

 

Ew why didn't we learn this in high school?!

BANGLADESH-ANIMAL-CAT-SHOW

Photo: Getty Images

1. How to split complicated bills at a restaurant.

 

2. That new cars are bad investments. Also: Basic car maintenance.

 

3. The true cost of home ownership and mortgages. Also: How insurance works.

 

4. How to calculate compound interest.

 

5. That happiness takes work.

 

6. The real definition of consent.

 

7. How to give a compliment. Also: The art of conversation.

 

8. How to understand the concept of opportunity cost.

 

9. That hydration is life. Also: Basic cooking skills.

 

10. The art of haggling and negotiation. Also: How to spot a scam.

 

11. How to build your credit.

 

12. How to deal with the police. Also: What to do in an emergency.

 

13. Good time management.

  • courtesy of a new list at Lifehacker.com

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