Should I keep advertising the boosted post past day three until I have spent $60 regardless of how many posts I need to boost?

Follow the day-by-day steps exactly. By the end of stage two, you should have spent $80. The reference to $60 is to ensure you spend the full amount. 

For more insight into boosting posts, refer to the program video Module 1-4 How To Boost Posts on Your Page. 

Also, don't forget to register for our weekly live Group Mentorship sessions. They are key for getting extra help and deepening your understanding of the program. You will automatically receive weekly invite emails on Tuesday of each week with email subject lines that always begin with "[AdV] - REGISTER" where you can register for each week's calls.