I decided it was worth carrying an extra pound of tent to be able to bring in my pack. First off I had a pack that cost over $500 a long time ago. Secondly This keeps the pack, straps and contents dryer and makes it easy to reach anything in your pack in the night. If the pack wasn't valuable enough, the stuff in it was more valuable.

Jim
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.