Необходимо поправить оплошности 1. Easy Jet is often more cheap than British

Нужно поправить оплошности
1. Easy Jet is often more cheap than British Airways.
2. Vodafone offers a gooder service than my phone Provider.
3. Our office is in a more expensive location like our competitors.
4. Spanish is easyer to learn than Japanese.
5. Our customers are often more experienced that our Technicians.
6. The competitors offer more lower prices than us.
7. The new mobile phone is more difficulter to use than old model
8. Their customer service is worser than before.