I am going to MT this year for archery elk, we will have a base camp but then hunt from there so I can restock after 3 nights or so. My question, what are the pros and cons of the 3 tent options? Hammock bivy, bivy sack, and 1 man tent? I want to use something that's lightweight and comfortable but will also stand up to the elements as it's not uncommon to see some rain...