To use Binance Earn, you can consider the following simple and flexible products:

1. **Flexible Savings**:

- **Description**: This product allows you to earn interest on your idle cryptocurrencies. You can deposit and withdraw your funds at any time, making it a convenient option for those who want flexibility.

- **Benefits**: Daily interest accrual and the ability to redeem your funds whenever you need them without any penalties.

2. **Launchpool**:

- **Description**: Participate in new token launches by staking your existing cryptocurrencies. This allows you to earn new tokens as rewards.

- **Benefits**: A great way to diversify your portfolio by earning new tokens while still holding your original assets.

3. **BNB Vault**:

- **Description**: A yield aggregator that combines various Binance Earn products to maximize the potential returns on your BNB holdings.

- **Benefits**: Offers a simple way to earn multiple rewards with your BNB, including savings, launchpool, and more.

These products provide a balance of flexibility and potential returns, making them suitable for users who want to earn passive income without locking up their funds for extended periods.