This is a weird one, but it's not a rumour it's actually up right now. An online store in Chile has jumped the gun and started taking pre-orders for Nintendo's upcoming (officially unannounced) console.
https://www.gsmpro.cl/products/nintendo-switch-2
They do admit this is not based on any inside knowledge... but c'mon!
NOTE: So far, we only have unconfirmed information based on rumors circulating online. We will be updating this page as official details are revealed by Nintendo.
Very bizarre.