Good luck! I've got really varied results...for the most part it always just depends on the snake. I usually attempt to feed the day after I get a new snake with the mindset that they will not eat. If they don't initially take the food offered, I will wait a full 7 days and try again. If no reaction, I wait another full 7 days...if there is still no reaction after 2 weeks, I begin to try in 4-5 day intervals. Just don't go into it expecting the snake to eat, ball pythons especially are super picky.