Feeding schedule-daily?

I have 4 female fire belly newts in a 10 gallon tank, I do a partial water change every week, I have a filter, good cover, gravel, the good bacteria etc. I know the tank is small for what most would recommend but I keep the water quality good and the newts seem happy.

They have after a month or so of having them, all learned that tweezers are their friends. I feed them cut up small earthworms, usually called "wigglers" around here.

I had been feeding each one roughly half an earthworm every 2 days. I would tap the tank in a certain rythmic manner when I did so, 4 times fast, 4 times.

I then tried switching to feeding them each a quarter of an earthworm every day. I want what is best for my newts but I have to admit I really enjoy feeding them, seeing them pounce on the earthworms always gives me a big smile.

Is there any advantage to feeding them every other day, if they will still eat every day?

Good work! It's great that all of them are healthy and eating worms from tweezers. Since you have only had them for a month, I would guess that they are probably still small, and/or re-bulking from their export experience, so feeding them every day is perfect. I suspect that at about the same time that you get tired of feeding them every day, they will have reached the point where they are plump and don't need as much food as they do now. As long as they stay at a healthy weight, it doesn't really matter whether you feed them every day or less often.