Rule number one don’t carry cash will number to refer back to real number one.
Choose your banks WISELY. Use a locally owned bank where are you know the staff or learn to know the staff don’t use Bank of America or any of the top 10 national banks, they’re crooked as fuck anyway.
Keep tax returns and itemized receipts handy prove that you Have legally made the money and if you’re going to take cash on the road have receipts that prove where the cash came from such as a job a contract payment for a job if you don’t do this stuff then don’t be surprised if the police take your money. And make copies of such receipts and keep those fucking hidden keep a good lawyer on retainer or have his phone number handy.