I've read this thread with some amusement. It's clear that I have *very* different standards to most people here. I'm an ultralight traveller - if I find that I *really* need something that I haven't packed, I buy it when I get there. As a mostly self-funded traveller I usually backpack - travelling cheaply allows me to travel more often. I am a veteran of washing clothes in sinks, and wearing jeans for far more than 10 days (China in winter, and I'm pretty clean). Anyway, here are some of my experiences....
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My upcoming trip is again to the USA, again with plans to camp. This time I'm considering going with hand luggage only (clothes) and buying cheap camping gear when I get there, to be dumped before I go home. I'll only need a tent and mat - I doubt I'll need a sleeping bag where I'm going. While I am very tempted to go carry-on, I don't know if I can manage without my knife. I also plan to buy several books over there, which may scuttle my carry-on plans.
And just in case there are still some stereotypes floating around, I'm female.