i have a couple of ?'s for you - we leave on the 9th for our trip there and i'm starting to think about packing and stuff. one of my concerns is over or under packing, because of the luggage restriction on the internal flights i was thinking of getting laundry done partway through. when do you think it would be possible to get it done? need to make sure that i have enough till then
While the internal flights technically had restrictions, no one EVER saw/questioned our carry-ons and The Mouse magically covered any overage charges

. We did stick to a single checked back for each of us, but the Guides always offered additional luggage tags if you added checked bags along the way. We packed an extra "fold up" bag and did start to check it about half way through.
We primarily just brought shorts and t-shirts. Really only one dinner in Shanghai were we dressed up even a little bit. For this, I had a sun dress and "nice" flipflops. One BIG help since we were constantly moving hotels - we used the packing cubes to organize our suitcases and make it really easy to pack/unpack quickly and keep things reasonably neat and organized.
I did laundry in Guilin - but just did it in my room, didn't use the hotel. That was about Day 6-7. I did it as soon as we arrived to allow time to dry before the next move.
money - did you take usd with you and exchange or did you use the atm machines, was it easy to get money in all the places or should you get more in beijing.
We took about $100 in China money and $50 in Hong Kong money. From there, we relied on ATMs for additional cash - they are everywhere and the Guides will point you to the best ones. It was easy to get money in each city.
bugs - did you need a lot of repellent?
We took bug repellant, but never used it. Can't remember where, but one of the places had a few (very few though) mosquitos.
did you arrive the day the adventure started or before - we are arriving the day before and i'm wondering what to do and see before the adventure starts
Definitely arrived the day before and very glad we did. It really let us get rested and start the adventure fresh.
Have a most WONDERFUL trip. Say Hi to James from Charlie,Liz and Lizzie!