Ebay Product Photos that's Quick & Professional

TLDR; Get photos of product with good lighting and with natural all white background. Open photos in photoshop and do the following:

1. ctrl + L and select low light area
2. lasso product with about 2cm shade outline
3. shave down 2cm shade with 100% opacity eraser
4. make shade natural by fading it out with opacity 40% eraser