From Qingdao to Suzhou, Wuxi, Changzhou, Nanjing and Yangzhou, what is the most economical way to travel by car? Where can I play?

The order of departure is: Qingdao, Yangzhou, Nanjing, Changzhou, Wuxi, Suzhou.

Nanjing attractions: Sun Yat-sen Mausoleum, Nanjing Confucius Temple, Qinhuai Scenic Area..., Zhongshan Scenic Area, Xuanwu Lake, Chaotian Palace Scenic Area, Nanshan Lake, Jiangjun Mountain, Tiansheng Bridge, Chunxi Old Street, Ginkgo Lake Ecological Tourism Area· Suzhou Attractions: Humble Administrator's Garden, Tiger Hill, Tongli, Liuyuan Garden, Suzhou Paradise, Hanshan Temple, Lion Grove, Jinxi Ancient Town in Kunshan City, Master of the Nets Garden, Shajiabang Changzhou Attractions: Changzhou Universal Dinosaur City Scenic Area, Tianmu Lake, Chinese Dinosaur Park, Liyang Tianmu Hunan Bamboo Sea..., Tianning Temple, Changzhou Asia Film and Television City, Jintan Hua Luogeng Park, Liyang Nanshan Bamboo Sea, Hengshan Bailong Temple, Dongpo Park· Wuxi Attractions: Lingshan, CTV Co., Ltd. Water Margin of the Three Kingdoms Scenic Area, Yuantouzhu, Yixing Shanjuandong Scenic Area, Yixing Bamboo Sea Scenic Area, Liyuan Garden, Yixing Longbeishan Forest Park, Jiangyin City Binjiang Fortress Tourist Area, Jiangyin City Academic and Cultural Tourism Area, Xihui Garden Cultural Relics Area · Yangzhou attractions: Slender West Lake, Ge Garden, He Garden, Daming Temple, Phoenix Island, Hanling Garden, Zhuyu Bay Scenic Area, Jiangdu Shaobo Lake, Zhuyu Bay Park