The Deposit Payments add-on for your Bookly plugin allows you to set up a minimum amount that has to be paid at the time of booking. Each service and even staff member can be set up individually. And the deposit amount can be determined as a percentage of the appointment cost or as a hard amount.

CookAndMeal – Food Blog and Recipe WordPress Theme
CookAndMeal is a simple, feature-rich WordPress theme for food bloggers that makes it simple to deliver thorough, personalized, and interactive recipes that are sure to make people salivate.