Fallout: New Vegas Nintendo DS Cheats and Tips

Get a speach of 50 or higher talk to ralph or mick whatever the one in front and ask about side buisness and if you have 500 caps you can get a passport knock off but still works

You take your caravan cards to someone to play with. Proceed to play with the person. Follow this with selecting any cards you want make sure you get the Jacks. Start by throwing all you high value cards out on the table. Save the Jacks for a bit. Try and get the other to get a higher amount, while keeping staying low yourself. Use the Jacks to keep your score. Good luck

No and I don't think there are any cheat codes for the Xbox 360 edition

If you fail the quest, you can then go ask Chet to donate supplies. Either next choice you pick should get you the free stuff.

Cottonwood crater, Quarry Junction, and Nopah Cave are just a few places where you can find one. You can also find them at The Brotherhood of Steel and Nellis Air Force Base once you progress far enough in those separate story lines.