How to Change Owners of an Amiibo

Amiibo can eat equipment, meaning that they will absorb the equipment in level. You can change owners, but I don't know if it still keeps this level data if you change owners. For example, your kids can associate certain Amiibo with their profiles. There's nowhere to buy Ness just because I'm an idiot. They all buy Ness so that they realize. Yeah. So we need to make an earthbound.