I've found that going swimming and gathering sea creatures in the water roughly pay out about 20k per 6-7 mins

U can sell shells and useless items and fruits

If you plant 100 bells in the glowing hole you get 3,000 bells. I’ve done this so many times.

actually you can found 4 Fossils in your Island and unlike past Animal Crossing games, Feng Shui dont afect how much Bells you can earn, only your HHA ranking.

What in the world..? These tips are all good ways to make bells. None of this is fake or “proven wrong”. I don’t understand why you thought that.

Do not listen to him many people think your reports are great (especially me I use them all the time)