By Dan Weil In the last three months, 46% of consumers had to pay for at least one unexpected expense, averaging $1,400 each. You’ve surely seen examples of people whose finances have taken a strong turn for the worse since the covid pandemic began in March 2020. A consumer finance survey by PYMNTS, a financial news service, and LendingClub, an online loan platform, fleshes out the anecdotes with some numbers. It shows that 59.3% of Americans were living paycheck to paycheck as of July, up from 54% a year earlier. Even among those earning more than $100,000 per year, 43% are living paycheck to…