Hi everyone so i just got into using glitches back when pokemon red,blue,& yellow got released on VC & just sorta mastered the 8f item but looking to go further not just in gen 1 but for gen 2 when gold & silver come out in September so i hope someone can help me out in expanding on the 8f glitch & put it in layman terms because i've seen everyone using weird coding that i can never understand because i'm complete poo brain when comes to that kinda stuff.

First i wanna know how to maximize my pokemon ev's in one stat at a time basically just putting 252 in one stat & the 252 in other & leaving the stats alone using 8f or the wsm i think it's called?
Second can the coin case glitch in gen 2 duplicate rare candies?Or is there alternate way in duplicating without using the cloning glitch?
I'll be posting more questions if need i help.