Best Place to Gamble?

[volf]

gheed. no argument. the items you gamble vary on your combat lvl. so you can gamble the same items from any vendor in hell. but gheed is definetely best because hes cheapest..and more money saved is more gambled items ^^

Thats incorrect your clvl determine everything including gamble price.

Perhaps you were thinking about the items sold in stores, with these merchats have different prises:
Items sold ins stores:

1. charsi 93,75% (cheapest)
   
2. gheed 106,25% (most expensive in act1)
   
3. akara 100% (normal prise)
   
4. lysander 100% (normal prise)
   
5. drognan 100% (normal prise)
   
6. elzix 100% (normal prise)
   
7. fara 100% (normal prise)
   
8. hratli 100% (normal prise)
   
9. alkor 100% (normal prise)
   
10. ormus 100% (normal prise)
    
11. asheara 100% (normal prise)
    
12. jamella 100% (normal prise)
    
13. halbu 100% (normal prise)
    
14. malah 200% (double prise)
    
15. anya 200% (double prise)
    
16. larzuk 200% (double prise)
    
17. nihlathak 200% (double prise)
    

Theese %'d change after doing the radment quest