Human: Provide me with a list of cities in Mexico with the cheapest cost of living Assistant: 

1. San Miguel de Allende 
2. Monterrey 
3. Oaxaca 
4. Ciudad Juarez 
5. San Luis Potosí 
6. Cuernavaca 
7. Tijuana 
8. Zacatecas 
9. Reynosa 
10. Ensenada