wasting electricity

4 mistakes to use air conditioning to waste electricity and affect health
the scorching hot weather makes the demand for air conditioners increase, increasing demand leading to increased electricity bill. especially the mistakes when using the air conditioner below will 'consume' a lot of money even affecting health. see to avoid 'money loss disability' offline.
How much electricity does your phone charge plug in constantly when not in use?
for convenience, many users have the habit of plugging in a power outlet 24 hours a day, even when not in use. so, does this harm or cost you electricity?