IF YOUR HOLIDAY DECORATING involves more than hanging a twig of mistletoe, quickly redoing your home sounds as unlikely as Barack and Michelle having you over for eggnog. Still, any nester who’s lost days (or months) pondering a single paint chip can learn how to spiff up their digs with “Extreme Makeover” hustle via design pro Jill Vegas ‘ ” Speed Decorating ” ($22, Taunton). We asked her how to get maximum bang in minimal time.

» EXPRESS: OK, what is “speed decorating”?

» Vegas: It’s about having a home you love right now. There’s this fantasy of creating this “someday” house. You think, “Someday, my house will be great.” You can embrace the home you have, flaws and all. …