Warcraft 3 MODs

I want to edit the experience required to level. I want to add more levels and I want to edit the prices for shopmenus. How do i do all this?

--- Please enter the following information for support ---
War3ft Version: Newest
Amxmodx Version: Newest
Metamod Version: Newest
amxx list:
amxx modules:
fun
engine
fakemeta
;geoip
;sockets
;regex
nvault
cstrike
csx
csrespawn
meta list:


Question: I am also wondering, if anyone knows how to ...