Hi, i remember when this game first came out i used to be able to take all the caps from vendors. If a vendor has 2 of the same gun, you bought the cheaper one, sold it to him, buy it back, etc.
Now i can only do it to one vendor, where as before i could do it to all the vendors. Did they alter this glitch/cheat at all? Perhaps now you need 100 barter to do it, where as before it didn't matter or something?