It is likely that you will take the new items with you and so it wont be a wasted spend and could end up selling your home if it helps to make the room appeal to buyers. If you dont take them with you and the buyers like the space, you could offer to sell them - this is particularly handy for first-time buyers.
They also have an uncomplicated design suitable for most schemes, although, pleasingly, many country tables feature elegantly turned legs that support the tabletop.
First, marble tables of any kind are bulky and heavy. Second, they have to be well looked after, as the marble can crack and stain. To avoid stains, keep the table cleared and clean at all times, covering it with a tablecloth or placemats when red wine and foods that can damage marble are on the menu.
If you fall in love with a metal or marble table, don’t be discouraged from buying it, but do think about how you might safely transport it. As suggested above, choose a small, round marble table, or go for a wooden table with detachable legs.