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It sounds like you're dealing with a pretty frustrating issue waiting ages for hot water can be such a hassle, especially when you're trying to conserve water while dry camping. A possible solution could be to look into Full House Water Repiping Services. If your pipes are older, like from 1992, it might be time for an upgrade. Repiping can significantly improve water flow, reduce the time it takes for hot water to reach your shower, and minimize waste. Definitely worth considering if you're looking for a long-term fix!