Horror Online shopping

So I have bought from them before. First order went fine. No problems. Next order came and some of the items were missing. I emailed and they said the item is out of stock. They will refund. I ordered again from there in the meantime... Still no order.... It's been almost 3 months. I have emails again and they said they will refund in 4 working days. Still nothing!!! They are making empty promises. Don't waist your time with them