ArtStation - Brush Efficiency - Photoshop
https://www.artstation.com/marketplace/p/dJJx/brush-efficiency-photoshop
This 1hr 43 min video is full of tips and tricks I've picked up throughout my career. I will teach you how to paint quickly, yet loosely and efficiently. I will also explain the process of how I complete a painting from start to finish and address some of Sargent' techniques for getting those rich, bravura brushstrokes seen throughout his work.