I need some advice tips tricks w /e on how to build and get good at ruby/sapphire

[Unknown_spamma]

Hi I am not too we'll known here, but I would appreciate it if you would help me with some tricks and ideas on how to build a team in Pokemon Ruby/Sapphire.
I have been playing the games for a while but never tried to build a competive team.
Allhelp is greatly appreciated.

[Kuiper]

Here's Help. I'm so glad you appriciate it.

[Unknown_spamma]

Ok thanks.