thanks for reading this. This can help you as a starter or as a more advanced player. You can always learn new stuff!
1. Keep the app updated
2. Get Pikachu as your starter Pokemon
3. Rustling leaves equal wild Pokemon
4. Master the art of capture
5. Catch Pokemon from further away
6. Catch Pokemon easily by dropping the AR
7. Don't be afraid to have doubles
8. Transfer your Pokemon to help you evolve others
9. Go for Pokemon with better move sets
10. Play at different times of the day
11. Combine Razz Berries with better balls
12. Spend your Pokecoins on lures and incense
13. Use incense to get Pokémon when not moving
14. Make incense more powerful
15. Power up Pokémon before evolving
16. Evolution equals full health
17. Use the new Buddy feature to evolve Pokemon
18. Gyms and PokéStops equal coins
19. Study gyms before you attack
20. Don't just win gyms - defend them
21. Join a team
22. Listen to your team leader's appraisal
23. PokeStops equal prizes
24. Hatch Eggs by keeping the app open
25. Play Pokemon Go on public transport
26. Buy a battery pack. No, seriously
27. Activate battery saver mode
28. Save data by using offline maps
29. Throw a Curve ball for extra XP
30. You can even change your name
31. Use other people's lures to catch Pokemon
32. Keep an eye on your Sightings
33. Ensure your Pokemon are the strongest
34. Level up your team's gyms
35. Time your lucky eggs
36. Level up for rewards
37. Be prepared for tough fights at high levels
38. Name your Eevee to determine its evolution
39. Make a Pokémon your Favorite
40. Invest in a Pokémon Go Plus

Source: http://sh.st/2vrS6