First buy a refrigerator for in your room.
Buy a lot of food and drink for in your room so you dont starve to death and especially redbull!
Have a cellphone to call your school,work, hobby's whatever to say that your sick, and wont come for the next 2 weeks
Buy a lock for on your door, lock it when you have the game and can start playing!
The most important thing, dont sleep and keep playing!
Only drink or eat when you need to fly to somewhere, saves you some time xD
Best guide on the web to get lvl 80 asap!