One of the best things to master in the morning is getting ready and out of the door in no time. Unless you've mastered a key that slithers any item in your wardrobe to rock a world like Hearts "Baracuda", this will forever be an oscillating pivot that solely engrosses a woman's mind.
As a stylist, a fundamental item that I would advise everyone to own, is a camisole. Not just any camisole but the "every day" top. I have so much clothes, but one thing I can't live without (don't sleep or eat without) is an undershirt. It's so simple, that you can throw on a leather jacket and a pair of levi's for a weekend getaway. It's so elegant that you could pair it with velvet slacks or a tulle skirt for a much more polished head to toe look or even for it's purpose, as an extra layer of hiding.
This is the sort of piece to invest in, because it needs to be durable enough to last through several washes and thin enough to not overlap other items you want to layer it with. If you can find it for under $99, consider yourself a clover.
Even though I know you can find them for way less, I've created a collective of a few that I love: