When choosing an acrylic painting class online for beginners, look for courses that cover fundamental techniques, such as brush handling, color mixing, and layering. Ensure the class offers step-by-step instructions, high-quality video tutorials, and downloadable resources. Lastly, verify the instructor’s experience and teaching style to ensure they cater to beginners and foster a supportive learning environment. Prioritize classes that offer flexibility in scheduling and lifetime access to materials.