Storing saucers is no problem: They nest neatly. The teacups, on the other hand, always threaten to topple over. Here's how Martha handles them: placed cup over saucer, in tidy stacks of no more than three or four that suit them to a T (or a teacup).
Hemisphere Gold Striped teacups, and saucers, by J.L. Coquet, from blisshome.com. Dotted 23k Gold plates, and mugs, baileydoesntbark.com. Paint, in Gray Squirrel, by Martha Stewart Living Paints, from Home Depot.