To choose the best time to lock in your mortgage rate, you need to get three things right:
How much will rates change?
Which direction will rates go,
and when will the rates change.
It may seem like a lot of work, but think of the potential reward - if you timed it right at the bottom of the interest rate cycle, you would still be paying less than 3% with almost two years to go. Read more here.
Disclaimer: Please act independently from any content provided in these episodes; it's not financial advice, because there's no accounting for your individual circumstances. Do your own research, and take a broad range of opinions into account. Ideally, engage a financial adviser and pay for advice!