>>9914992>trains that are more toy than model. You want Lego trains my nigga
>Easy and reliable track and controlAll-plastic track means you don't need to worry about shortages since all the electronics are in the engine, and you can control your trains with either Lego's controller or a phone
>Sturdy but good lookingIt's Lego, it's as good as you want it to look
>Variety in locos and wagonsAgain, this is Lego we're talking about
The only hurdle for you might be the ">Not expensive to expand" part but if you hunt around enough you could probably find some parent selling their kid's Lego train stuff at a yard sale or something. That or you could buy bootleg track from AliExpress or something.