So the seller sent me the wrong item a cheaper version of what I originally purchased, I did not know what to do because they were not responding to emails at the time so I opened a eBay Money Back Guarantee case for this item or Did not receive item option. The seller finally responded said they will accept return and send me label but now when I click for the return this item button it gives me this "You can't start a return for this itemYou have already opened an eBay Money Back Guarante...

If you opened an Item Not Received case, you should be able to close it and open an Item Not As Described case.

You can't start a return for this item You have already opened an eBay Money Back Guarantee case.... | Returns

You can't start a return for this item You have already opened an eBay Money Back Guarantee case.... | Returns | eBay Community