as low as possible. the tp-link I picked was $80 16 ports...

https://www.amazon.com/gp/product/B07GRG63P6/

just found this one...

https://www.amazon.com/NETGEAR-16-Port-Gigabit-Lifetime-Protection/dp/B00R92CI20/

I don't need a much more expensive layer 3 switch to do this, do I?