Oh nice! A tamagotchi topic!
I had been running a G2 for a bit, but just at the end of last month I picked up an Evatchi Nano (based off of the anime Evangelion) that has been a nice chill experience and very content rich for how small and simple it is. I personally like the LCD screen tamas, and am not too interested in online play so I gravitate towards the Originals (like your Basket,
@Melooon), the Connections, and now the Nanos.
I think I'll be sticking with the Evatchi for a while since it has so many different kinds of Angels you can grow your worm into, the sound effects are nice (it uses the same sounds as the Connection, which I think are the best out of all devices), it's very small and easy to travel with, and is very very low maintenance. Also the games are legitimately fun and challenging.
I don't have many tips when it comes to raising tamagotchis, though I do know that with the new release of the Originals (G1 and 2) that you can't feed your pet any cake at all or else it dies almost instantly. It's a weird bug that Bandai hasn't bothered to code out of any new releases, so it's just best not to raise happiness with cake/candy and focus on the games.
Anyways here are photos of my worm and the first adult Angel that I got, my beloved Ramiel. I <3 my shape.