Candy 50-->53 for Giovanni 3 
Works best with original exp. route; new exp. route needs 279 exp. from Route 23/Victory Road to get L65 for Gengar

GOOD:
- Teach Fire Blast and Dragon Claw together (-2)
- 53 for Rhyhorn/Nidoqueen (-5.5)
- Less healing for Viridian Rival (-2.5)
- 53 for Pidgeot (-1)
- Wing Attack for Fearow (-1)
- Higher level to survive encounters (-2)
TOTAL: -14.0

BAD:
- Must get 774 wild exp. in mansion/Sevii (+6)
- Extra candy menu for Giovanni (+3)
- Worse YOLO option if crit by Pidgeot (+0.5)
- More likely to OHKO Mankey and Primeape (+2.5)
- Must Revive dead Charizard instead of candying (+1.5)
- Must wait until last repel menu to candy Nidoran/Oddish (+0.5)
- Late-game levels (+3)
TOTAL: +17.0

BAD (if no candy to 46 for Muk):
- 46 for Arcanine (+2)
- Extra candy menu for Giovanni (+3)
- Worse YOLO option if crit by Pidgeot (+0.5)
- More likely to OHKO Mankey and Primeape (+2.5)
- Must Revive dead Charizard instead of candying (+1.5)
- Must wait until last repel menu to candy Nidoran/Oddish (+0.5)
- Late-game levels (+3)
TOTAL: +13.0