If you already know Bitcoin business, then surely imitate the storage and purchase of Maker Coin.
Maker Coin is stored in the wallet MyEtherWallet, Trezor, Ledger Wallet, ImToken, MetaMask, ... in which MyEtherWallet is used most. In addition, you can store Maker coin directly on the electronic wallet of the trading floor for easy trading. But if you are a long-term investor and do not have a regular trading need, you should use a separate wallet to ensure your safety.