What symptoms do people with COPD usually have?

Shortness of breath. Typically, patients with COPD have shortness of breath, wheezing, and coughing. Fatigue, decreased energy, and decreased ability to do normal activities are also quite common. Sometimes, patients can get dizziness related to the shortness of breath. If you have these symptoms, definitely see a doctor.
All systems suffer. Short of breath, lack of energy, anxiety depression, loss of weight unless swollen legs from heart failure. Cough and chest discomfort with or without phlegm poor sleep and apetite. Pink puffer unable to rest if emphysema and blue bloated if chronic bronchitic with right heart failure falls off to sleep excessively. Tremors from neuropathy and confusion from excessive co2 in end stage.
Many sxs., Pts w/ COPD experience many sxs including shortness of breath, cough, wheezing, etc. And have obstruction on pfts. Smoking cessation along w/meds to control sxs is key to treatment. There is no cure.