Working at a boutique taught me two things: Pretty sweaters sell themselves, and the tiniest details can make the biggest difference. I’m talking about the kind of knitwear that makes you stop mid-scroll, mentally plan three outfits and immediately check the price tag. Well, Amazon’s latest fall-to-winter sweater collection is giving me that exact feeling. I found 17 gorgeous styles that look like they belong in the window of a trendy little boutique. Think feminine wrap sweaters, preppy striped cardigans and gorgeous cable-knit pullovers that look far more expensive than they are. Even better...