just wondering, i would like to spend about 10 days to travel in Yunnan, any advice?

Since you will stay in that province for such as long time, the Lijiang, Dali and Shangri-la areas are must-go places.
Besides, you can spend about two to three days to travel around Kunming (the capital city of YN).

maritn buddy welcome to yunnan when you arrived you can ask me for help i am student here i live in new dali city xiaguan, there are some beautiful and good place that you will not get on websites you will need help from locals i will try help you as much i know ok and as humanity help you save some bucks i have s.vacation till 23 of aug so best of luck mine number is in coment below u can c