I used this class to help me improve a product photography project I was working on and it was fantastic.
This is the product photo I was given, taken in a warehouse.
I found this background photo on unsplash.com:
and I was able to place the product on the background and adjust the shadows and color cast to make it look believable. I may be an obvious thing to some, but I am not a pro, and I was very happy with the final result!