How to Buy Polkadot (DOT) with just buy $1 worth of this coin ($1)

To buy Polkadot using just buy $1 worth of this coin, first, find a cryptocurrency exchange that supports the DOT/$1 trading pair. Create an account, verify your identity, and deposit your $1 into your exchange wallet. Locate the DOT/$1 pair on the trading platform and place an order to exchange your just buy $1 worth of this coin for Polkadot. If the DOT/$1 pair is unavailable, you can first exchange just buy $1 worth of this coin for a stablecoin like Tether (USDT) or a fiat currency, then trade that for Polkadot. Be mindful of potential exchange fees, which vary by platform and can affect the total cost of your transaction.