A small dining table can earn its keep with a drawer or shelf for mail,...

https://sethscoolword.publishlane.com/posts/how-to-pick-a-table-if-it-s-the-only-surface-for-homework-and-bills

A small dining table can earn its keep with a drawer or shelf for mail, chargers, and placemats, then make room for holiday guests with a leaf or bench. Plan on 24 inches per person so everyday meals feel comfortable without crowding the walkway.