Gas Fees
Tellie covers all gas fees related to creating Collections, minting and listing NFTs for sale on Tellie.
If you want to transfer an NFT or list on a third party service such as OpenSea or Rarible, then the owner or creator of the NFT must pay the gas fees. Additionally, when someone purchases an NFT from you they pay some gas. Gas fees on Polygon network are quite low, usually just a few cents.