So theoretically, by spending money you could have a tangible gameplay advantage over those who choose not to spend money and instead take the time to earn credits. (heavy.com)
There are also concerns that this may be just the first of many planned cash shop items that give players direct gameplay advantages. (massivelyop.com)
Said voting has today begun and as seen above there are three outfits for the game's protagonist John Marston to choose from, each with their own gameplay advantage as detailed on the voting page here. (thatvideogameblog.com)