Vanilla Gentleman Candy+Mansion Candies Route:
Gentleman Candy
(some kind of x attackless shopping/bag)
Late EQ
Koga -> Fly to Sabrina
Delay Erika - candy to 44, then candy to 46 before key. 
Erika (IB all) -> Blaine (EQ, EQ (speedtie), EQ+IB/EQ)
EQ (+IB), EQ, EQ(+IB) Blackbelt (first machoke is 57% second is 91%)
Spec + IB, Acc + HD x4 Giovanni 
Spec T1 Agatha (imaginably- pokeguy said was good once iirc- yolo gengar speedtie and then spec on golbat instead, but spec on gengar works)
Prob want second e4 pp item because 55 for sandslash



All Main Candies: 
Gentleman candy (MP could get the memey MP raichu t1 redbar stall strat benefit) 
(some kind of x attackless shopping/bag)
Late EQ 
Erika -> Koga (get warden candy) 
Delay Sabrina- Go to mansion, super repel + use 3 (of 4) candies. 
Pickup both candies, menu and candy x3 before key. 
Sabrina (x speed, EQ x3)*acc if flash -> Blaine EQ, Acc + HD, HD  
EQ, IB, EQ Blackbelt
Spec + IB, Acc + HD x3, IB Giovanni 
could no x item viridian rival     32,35,38/39 sandslash(13/14/15) (40%/50%/60% 13/14/15) cloyster  
EQ Gengar (speedtie), X Spec on Golbat (good range)
Prob want second e4 pp item because level 56 for sandslash lol

(don't ask why vr- or power plant or hideout- candies aren't main candies AngryVoHiYo)