What to do when you might have been ripped off on a second hand website?

Via bank transfer!

I’d go to your bank see if they can get the seller to authorize a payment reversal. Otherwise, I think your only other option is going to court filing a small claim. I also hear if you go to the police they will give you forms to fill out though I am not sure if this will get you your money back. Advice for the future, if you are going to buy something online I suggest you pay via Paypal, this way you will have a easier time filing a claim or resolving a dispute as they hold both the seller and buyer’s information including a credit card. I was recently scammed by a user off of Ebay luckily I paid with Paypal and was willing to get a full refund.