Day R Survival/Premium Help

Hello friends this is my first post. I am playing day r premium. It is really a tough game and I am dying a lot of times.
There is no guide on internet so I decided to post here to get help.
1. Where to find carts and vehicles.
2. How to survive long.
3. Is quest important or just explore and survive.
4. How to increase skills like mechanic skill.
5. Best items to have during survival.
6. Help in cars and weapons.
7. Any other tips for game...

Thanx
Lauren

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