>>8638181Collecting them can either be a lot of fun or a complete nightmare, depending on which ones you're going after. Some people collect for gameplay, others collect for rarity or novelty. I go for both. It's a struggle.
Most collectors operate through a Discord and a few Facebook groups, and have a price sheet to give new collectors a general idea of what to pay. Collectors also but, sell, and trade through their groups, though you can also get Tamas from eBay, Yahoo Japan, JYW, etc.
The modern pets are filled with all kinds of functions like marrying, collecting items, connecting, app interaction with Bluetooth, and gene mixing. There's also the Tamagotchi Nano models, which are miniature virtual pets, with simplified functions, meant for people either just getting into Tamagotchi or don't have the free time for a full function v-pet. There's also the replicas of the original P1 and P2 models.