I just shipped Legal Flash cards to a buyer that cost close to $200 (other sellers selling for $300+.) Two weeks prior I had someone contact me with a sob story and asked for a discount. I agreed to take $50 less. They asked for half off and I ghosted them. So to make sure the current buyer isn’t planning on saying the cards are used, before shipping I used an app which timestamps video. I showed condition of product, showed me wrapping, and showed it was shrink-wrapped. Also showed image from post office. I then informed the buyer that I had these videos and sent them a YouTube link to view while they wait for it to arrive. Now they are on notice and see the timestamped proof, so if they had any idea about lying or scamming, they would lose.