Traveling in China, especially with a big group like Melissa's 11 friends, can be both challenging and rewarding. From personal experience, mastering a few basic Mandarin phrases like 'Ni Hao' (hello) and 'Xie Xie' (thank you) can open doors and ease many interactions. Using digital payment platforms such as Alipay is essential, as many places in mainland China rely heavily on mobile payments rather than cash or credit cards. It’s also helpful to download WeChat, which is widely used for communication and payments, making group coordination much simpler. Planning ahead for regional differences between mainland China and Hong Kong is important since they have different currencies, languages, and cultural norms. Navigating transportation, food choices, and accommodations with a large group requires flexibility and patience, but it leads to rich shared experiences. Embrace the differences in customs and routines, and be open to trying new things. Asking locals for recommendations can yield hidden gems beyond typical tourist spots. Overall, the excitement and learning that come with traveling in China outweigh the occasional confusion. Keeping an open mind and preparing with these tips can make your trip memorable and smooth, whether you're solo, in a duo, or like Melissa, with a big adventurous group.