Yes, you can find the most up to date minimum and maximum trade limits here https://coinlist.co/legal
Depending on when you signed up for CoinList, you may need to complete additional compliance in order to use wallets and trading. You can complete your registration at https://coinlist.co/wallets/new. New users should automatically have access to wallets and trading, subject to additional jurisdiction restrictions.
Yes, but these are not uniform across all assets, please see https://coinlist.co/legal for the most up to date information.
You can find the most up to date information on trading fees here.