what should i do ?

i’ve messaged the seller expressing my feelings not sure what actions to take this set has been a white whale of mine and after receiving it as a valentines gift i was so excited until i started building the set and it was complete bait and switch with the model that was posted in the ebay listing, stickers missing, parts missing, heavily yellowed parts which weren’t the same in the set photos included after paying a heavy sum for this set and import tax id hope to have a perfect set with the...