Adobe Creative Cloud is offering a new series on their YouTube Channel called 'Make It Now'. It's quick and dirty 1 minute tips on various Photoshop techniques. One minute per day sounds good to me so you might as well subscribe HERE and get your fix.
You could always learn something new - and in just one minute. They also offer downloadable practice files in the description boxes. Plus, the beauty of video is that you can pause and go at your own pace.
They've uploaded four videos so far which I have shared below as a playlist: