would i say: this would greatly contribute to successful customer advices on footwear.

Question

or

this would greatly contribute to successful advices to customers on footwear.

thanx =)

Answer 1

Neither!

This would contribute greatly to successful customer advice about footwear.
(but I really don't like that much either)

This would contribute greatly to successful advice about footwear for customers.
Make sure it's ABSOLUTELY CLEAR what "This" is referring to.

Answer 2

NOTE: "advice" (there is no plural form of this word)

Answer 3

thank you ;)

Answer 4

You're welcome.

Also, make sure you use proper capitalization and punctuation when you write -- you can use that awful, no-capitals stuff when texting and IMing or whatever with your friends, but to be taken seriously for academic purposes, practice correctness.