My order took over a month to get to me n when I asked why I takes so long ur team tells me that some of the things I ordered were out of stock, I still ask myself how do u sell what you don't have

My order took over a month to get to me n when I asked why I takes so long ur team tells me that some of the things I ordered were out of stock, I still ask myself how do u sell what you don't have. Onto of all that they delivered what I didn't order. I so disappointed n I will never ever buy from you again I regret spending my money on your store. I bought a car heater n I received a house heater. How do I use that In the car. A total waste of my money my time