buying potions gives money:
46 ?? ?? ?? 66 ?? ?? 66 ?? ?? d3 a1
46 ?? ?? ?? 66 ?? ?? 66 ?? ?? d3 a0

upgrades costs nothing:
c2 03 d3 62 04 66 ?? ?? 15 ?? ?? ?? d1 48
C2 03 D3 62 04 02 02 02 02 02 02 24 72 48

infinite skill points*: 
93 63 06 62 04 62 05 62 06
02 63 06 62 04 62 05 62 06

*don't use this too much, if your elemental resistances are over 100 you won't be able to access the status screen.