Can't believe they are still in operational with such disgusting service

The most inefficient and unprofessional service I have ever experienced. Wrong and missing items yet there is no communication or way of tracking what you have paid for or been charged for. Eg my order was from 2 stores and I was charged as such, however items only arrived from 1 store, so have I been refund the service fee for the 2nd store. I got a msg to say shopping was complete from both stores, so what happened to the item or should I not have been notified that the order could not be filled. I was always not provided with the slip for the items that did actually arrive. What if I need to exchange /return something. How would I do that without my slip? Order 759102.