As soon as you have more than one cat, which you absolutely should because cats at least when held in captivity require playmates matching their physical ability, you should have some sort of smart feeder system.
Otherwise, you will inevitably end up with one chonk and one cat with food panic that gorges on whatever food it can grab in a single setting before everything is gone.
Try getting a cat sitter around Christmas or a holiday weekend and then ask this again.
You're making some assumptions.
Weird question anyway. Why eat food at all if you can't be bothered to farm it yourself.
As soon as you have more than one cat, which you absolutely should because cats at least when held in captivity require playmates matching their physical ability, you should have some sort of smart feeder system.
Otherwise, you will inevitably end up with one chonk and one cat with food panic that gorges on whatever food it can grab in a single setting before everything is gone.