just one advice: always give complete and proper details of the condition of the item you are selling so that when the buyer receives it, there are no unpleasant surprises.
all the best!
You reap what you sow. This is what happens when you take away choice from consumers. Even with 88% split going to developers, they can't recoup costs. Meanwhile, Helldivers 2 is a massive hit for Sony thanks in big part to Steam.