Hello @Donghui,
Reselling items is allowed on the Gameflip marketplace, as long as they are items that are allowed to be sold on the Gameflip marketplace. Just like @Sparkling_Juice informed 
Thanks!
Have a great day everyone!
God Speed! 
Hello @Donghui,
Reselling items is allowed on the Gameflip marketplace, as long as they are items that are allowed to be sold on the Gameflip marketplace. Just like @Sparkling_Juice informed Thanks!
Have a great day everyone!
God Speed!