The fees on Avalanche are dynamic. This means, that they fluctuate with the demand of the network and float between 75 nAVAX (gwei) and 225 nAVAX (gwei).
Transaction fees on Avalanche are paid in AVAX. In order to do transactions, you need AVAX. When you bridge over assets, you should swap some of them for AVAX so you can pay transaction fees.
For any additional questions, please view our other knowledge base articles or contact a support team member via the chat button. Examples are for illustrative purposes only.