You can invest with US dollars, Bitcoin, or Ether.
Yes.
However, you should re-confirm the withdrawal address on CoinList prior to a withdrawal. Exchanges have various policies for crypto deposits, and the sending addresses don't always match the receiving addresses. We recommend you designate a return address for which you hold the private keys. CoinList is not responsible for transfers being appropriately credited to your account at a 3rd party exchange.
Subject to regulatory restrictions, anyone can use wallets, and anyone can buy and sell cryptocurrencies. There is no accreditation requirement. Users must complete KYC and identity verification.
You can see a full list of supported jurisdictions here.