"refurbished" is a word that might not mean anything either.

When buying your first printer you should first choose what you want: Do you want to print or do you want to tinker?

If you want to print, get a printer like the Bambulab a1 mini. If you want to tinker, an Ender 3 is ok.

If you want to really tinker a lot, get an used one.

But I really wouldn't recommend getting an used printer for your first one since you don't know how they have been treated and messed up.