One trick I swear by is investing in a few statement pieces that do the heavy lifting. For example, a standout plate set or centerpiece can make even a basic table look elevated. I recently picked up some tableware from Sieger
https://mdmaison.com/brands/sieger-by-furstenberg , available at MDMAISON, and it’s a total game-changer. The designs are artistic enough that you can keep the rest of the setup simple—linen napkins, tapered candles, and you’re done.