To start trading on Binance with $1:
1. *Create a Binance account*: Sign up on Binance.com or the app.
2. *Deposit $1*: Use a supported payment method.
3. *Buy cryptocurrency*: Purchase a coin like *BNB* or *stablecoins* (USDT).
4. *Trade*: Explore trading pairs and set your strategy.
Consider *low-cap altcoins* or *fractional trading* for small investments. Research and understand risks before investing.