to save money if you have more than one kids in your family.
and they want to play Minecraft at the same time.

I tried to set up a local Minecraft server in my local internet.

but still not worked out, since the server will check the uuid and disconnected automatically and message saying "lost connection: login from different location".

Come on, it is ridiculous.

just want to play in a local server, no one want want buy separate Minecraft account for each child, waste money.