Maybe you’ve been working at home for years. Or maybe just since last Monday. Either way, you want a handsome and efficient workspace. This staple-free stapler ($7 at the Container Store, 629 Sixth Ave., nr. 19th St.; 212-366-4200) is a good start: You’ll save a little time and money (no staples!); it’s stylish, like a mini-Guggenheim; and it sticks stuff together every bit as well as a conventional stapler. For more home-office ideas, click ahead.