When choosing a trading platform, it's important to consider the fees and costs associated with using the platform. Here are some fees and costs to consider:

1. Commission fees: Some platforms charge a commission fee for each trade you make. This fee can be a fixed amount or a percentage of the trade value.
2. Spread: The spread is the difference between the bid and ask price of a security. Some platforms charge a variable spread, which can change depending on market conditions.
3. Inactivity fees: Some platforms charge a fee if you don't use your account for a certain period of time. This fee can be charged monthly or annually.
4. Deposit and withdrawal fees: Some platforms charge a fee for depositing or withdrawing funds from your account. This fee can be a fixed amount or a percentage of the transaction value.
5. Exchange fees: Some platforms charge a fee for trading on certain exchanges. This fee can be a fixed amount or a percentage of the trade value.
6. Data fees: Some platforms charge a fee for accessing real-time market data or other information.