How much does Gemini cost?

Could you please elaborate on the various costs associated with using the Gemini cryptocurrency exchange? Are there any fees for depositing and withdrawing funds? Are there trading fees that vary depending on the type of transaction or the size of the order? Additionally, are there any additional costs or fees that a user should be aware of when utilizing the Gemini platform? Understanding these details will help users make informed decisions about their cryptocurrency investments and trading activities.