Answer
” Use Both ” means you can use both of the tokens (the tokens and the base pair) instead of only use the base pair. For example, if you are running ETH/USDT grid bot, using Use Both option will use your ETH and USDT. Meanwhile, using USDT Only will make the bot only use your USDT to create the bot. Using both might reduce your initial buying order from bot to rebalance your holdings. If you are using USDT Only, most of the time the bot will buy some token at the first time to put in sell orders. You can reduce this transaction by using Use Both option;