How small can you go? These new Miami apartments want you to downsize and live large

Would you plunk down $300,000 for a studio that measures 350 square feet — about the size of two surface parking lot spaces — to live in the heart of Miami Beach? If the idea seems preposterous, micro-units are not for you. But a growing number of real estate developers are banking on the micro-unit concept — tiny, furnished apartments in amenity-laden buildings, located in hot neighborhoods — to attract buyers and renters who want to live in Miami-Dade’s most popular neighborhoods but can’t afford to pay market rates