A case opening the door to, e.g. a candidate takes out a bank loan at x%, then offers a loan to his own campaign at 2x%. The candidate is then legally allowed t

A case opening the door to, e.g. a candidate takes out a bank loan at x%, then offers a loan to his own campaign at 2x%. The candidate is then legally allowed to solicit campaign donations after the election is already over, to cover the loan + interest. It's certainly better than any savings account or investment.