Well you’ve got some upvotes here so what’s the game?

Look into getting a burnout mug. They have an extra layer before the vacuum layer that quickly absorbs heat then retains it to cool hot drinks to a drinkable temp then holds them there for hours. Zero electronics.

If you’re already set on stealing please explain why you wouldn’t steal nicer things?

What about West Texas Lowes?

https://www.lowesmarket.com/

Ah looks like I found my dog’s account!