Buy BNB through Binance or any other exchange that offers it and transfer it to your BSC Metamask wallet or TrustWallet.
www.bitbooll.io and use the BUY button
Connect your BSC wallet and enter the amount of $BNB you would like to swap for tokens. Then click BUY and confirm the transaction or SCAN and Send the BNB swap amount directly.
Your investment is eligible to sell anytime trough DeX (decentralized exchnges) once listed for trading. You can swap to list of cryptocurrencies , or spend directly in Booll Marketplace once the coin is approved.