Games Key Sure to Sell on eBay Classifieds?

Have a Dark Vertex Key for Fortnite that I want to sell. So I put it on ebay classifieds.

I do not want to be ripped off. Therefore, ask me the following questions:

Which payment method?
What if the buyer claims that the key has already been redeemed?
If paid via Paypal, then only shipping with DHL package for tracking?
What did I overlook?

Transfer
You are in the burden of proof that the key was valid
No Paypal, because the impostor is on, does not protect against 2.
You could offer it, instead of classified ads, also on eBay. At least you have your name and address from your counterpart. Classifieds is anonymous. For gamekeys you can also use G2A as a sales platform. Is of the fees but more expensive than eBay and you have to accept Paypal. For very large clientele.

I sell my keys only on eBay, and that a key did not work, I had only twice as feedback. One of them tried to redeem it in the wrong client and the other did not work and had to be activated via the manufacturer. Otherwise not one of the facts that his key is not working.
The biggest problem, in connection with Keys with Paypal, are the "hacked" accounts (especially customers from abroad, I have now excluded, but then put her eBay just temp. On Germany -.-). If you do not offer a PP at Keys, this reduces the interest of the interested party very much, just like if you offer PP but send the key so you have a tracking number for PP cases. This would be enough for registered mail. That comes with tracking number.
But I can't imagine that a buck has n key tapping xD

The payment method you can decide, it is best to write in the description that only with x payment, Paysafecard would be safe, because you first ask for the code, and check the code, after you received the code, you check the first, then solve you him and send the code.

If the buyer claims that the key has already been redeemed:
* If he was redeemed: he could report you for fraud if he gets your info such as location, name, phone, etc. Know.

Otherwise he is guilty of blaming himself for giving the paysafecard to a stranger, then he can report if you have already, and your IP will be blocked for Ebay classified ads, so you no longer have access to Ebay classified ads.

* If it was not redeemed and you are safe:

because he can because of lies or cheating also get an IP-Ban of Ebay classifieds, so you can use it to the police and advise you.

He could also try to scare you, because of alleged admonition to you, If you have checked that the code is, then you already know that he wants to chase you fear.

Why shipping? You do not have to send an online code for Fortnite via DHL? You do not send a whole Playstation or other great things.

Ebay Classifieds gives you a news feature, because if you have Ebay Classifieds installed on a mobile phone, you'll get a notification if someone wrote you a note on the PC, you'd always have to go to the website and check it out.

In Ebay Classifieds, you can also see how many people have viewed your ad and who have tagged it As a Star (that is, especially Important & Watch Later).

Incidentally, I also sell a game code, (no game content, but a game), and there you have to leave my opinion, time, I have created the ad on 23.12.2018 for 20 euro (original costs 27 euro), After a while, I put it down for 10 euro and still wait until someone buys it.

At the moment I have 103 people who have looked at the, and 5 times marked.

Only two people contacted each other, one was banned because he wanted to cheat, and one was no longer interested.

If you really need the money, it's best not on the internet, ask friends or if they want it, if you want to sell it on the internet you need patience.