Book of 10 Guest Credits: $100. If you would like to purchase a large number of guest credits you can do so here and get a bonus of 2 credits. BONUS: For 2021 we are issuing 2 bonus guest credits for every 10-pack purchased! Example: if you need to purchase 30 credits, choose quantity 3 here. With the online bonus, you would get a total of 36 credits!