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bottle caps
Only Certain Items. You can use the scrap metal glitch to duplicate scrap metal by continually selling to Casdin. You can also duplicate any "throw" weapon (mines, grenades, etc). You can also duplicate Caps (if you have at least 35000 in your inventory) with the cabnet in your house. The caps glitch may have been fixed so if you want to do it on the xbox you will need to clear your cache. There is a fairly detailed explaination of the scrap metal giltch at (how to and why it works): http://www.ngook.com/archives/140 And a video that explains the Mine duplication in detail at: http://www.youtube.com/watch?v=36erAyjBnRM Duplicate Caps Glitch demonstrated at: http://www.youtube.com/watch?v=Y8UbbitrwKw
In my opinion Fallout New Vegas is. In Fallout NV it is easier to make caps so you can buy better wepons and ammo. In Fallout 3 It's hard to make a lot of caps in the begining making it a slow start. But is you want to test your skills play Fallout 3.
You can sell your stuff. Or you can kill people to get it. :)
You can kill people and steal their stuff, and sell them. :)
You need 50 Sarsaparilla Star Caps to proceed to the next part of the quest.
because there more common than normal paper money
Sorry, but there aren't any "cheats" in Fallout 3. There are, however mods for the PC version but that is all. Also, there are glitches to get more caps and such that can be counted as cheats if you want.
No, but you can sell them for caps, and it has no weight; so you can hold as many as you want.
10000 assists every game
Take them to the Regulator HQ and they will give you a regulator duster and some caps for every finger you bring them.
She is a hooker but does nothing but sleep does not provide any bonuses or active effects not worth the caps.