To make money on Binance without investment, consider these options:

1. Referral Program: Invite others to join Binance using your referral link to earn a commission from their trading fees.

2. Binance Learn & Earn: Complete educational courses and quizzes to earn free cryptocurrency.

3. Airdrops and Promotions: Participate in Binance's occasional free token giveaways.

4. Binance Affiliate Program: Partner with Binance to earn commissions by promoting their services.

5. Crypto Staking Rewards: Stake small, free rewards from promotions or earned tokens for passive income.

6. P2P Arbitrage: Use Binance’s Peer-to-Peer (P2P) platform to profit from buying and selling at different rates.

7. Testnet Contests: Join Binance-sponsored contests and trading competitions on testnets.

Start with programs suited to your skills. Always follow Binance’s terms of use.