How can i know the best sales and Marketing tips?

Hi friends I am in sales and want to improve myself. Can you tell me the best way to know the marketing and sales tips.

1. passing out flyers to local stores
2. printing up small posters
3. advertisting Biz on Custom T-shirts
4. putting logos on free pens
5. printing up Bumper stickers
6. putting logo on Coffee mugs
7. Banners. Billboards or Signs
8. putting logo on hats
9. Audio CDs
10. Making DVDs
11. using Youtube to promote Biz
12. using Myspace to promote Biz
13. Consignment deals with other local stores
14. Business Cards
15. buying air time on a Radio AD Spot
16. buying air time on a local Cable Access TV show like doing a Informercial to sell products