Fall dressing has a funny little styling problem: dresses are easy, but finding comfy shoes that make them feel polished can be surprisingly tricky. The right pair of flats can instantly make a flowy midi, sweater dress or tailored shirtdress feel more intentional, while making you feel good enough to get through the day. For this roundup, I pulled together 17 chic flat styles to shop on Amazon, including polished Mary Janes, pointed-toe ballet flats and rich, fall-ready loafers, starting at $20. The selection focuses on pairs that have that expensive-looking, fashion editor-approved feel with...