Why is a separate bank account so vital? This practice is called 'un-commingling funds.' When your business income and personal income mix in one account, tracking true profitability and preparing for taxes becomes a nightmare.
By keeping an isolated account with automated pots (Master Income, Tax Reserve, Merch Ops, Profit), you guarantee your taxes are always paid and your band always turns a profit.
⚡ Mandatory Action Step: Open a zero-fee business account online (such as Relay) to isolate customer payments.