Plugging in the wipe warmer?

Samantha • Oriana 12/29/21 & Baby Rosa 6/15/22

I currently have the Prince Lionheart premium wipe warmer, and it's absolutely fabulous might I add. Perfect in price and space. Definitely recommended! I'm 34 weeks pregnant as of today, I'm just wondering, when do you ladies think will be best to plug it in?