Fallout: New Vegas/Glitches

Infinite caps glitch (Fisto)
Complete the portion of the ../Wang Dang Atomic Tango/ quest to recruit Fisto. When you speak with Fisto in the Atomic Wrangler casino, you will gain 10 caps on each dialog attempt simply by choosing goodbye.

Weatherised 10mm pistol glitch
If you add an attachment to the weatherised 10mm pistol, a large red box with an "I" will appear for as long as you have the pistol out.