Vision sensors for V5

So I and my team are looking into using vision sensors for autonomous however there are a few questions and concerns we do have. First off the programing for this device to work is extremely confusing. I have no idea how to set a color or even where to begin for making this work, second off is this device surely the best kind of sensor to use for 2019-2020 Tower Takeover we would really like to hear some other opinions. Finally how many should we have to ensure 100% success

All a light sensor is going to do for you is tell you that the lights in the room are on. Did you mean vision sensor?

yes I fixed it sorry I’m trying to focus on science and vex at the same time lol