Welcome to the .Org!

I'd suggest looking through the RTW Guides forum:

https://forums.totalwar.org/vb/forum...aysprune=&f=78

And these two guides in particular:

https://forums.totalwar.org/vb/showthread.php?t=38382

https://forums.totalwar.org/vb/showthread.php?t=45315

Hope that helps!