RE: Locating feeders
First thing I would do is try and get a topo map. Locate any possible funnels that deer would travel and set up near these funnels. I would not set up on them because this would disturb the deers natural routes. I think you need to be in a nice open area where the deer feel comfortable, but also have some sort of brush near you or on one side of you so that they will have a safety route in case they are frightened.