Miami-based property tech startup, BLCK, is offering a new solution to the average person hoping to earn passive income.  The startup founded by Samella Watson, is one of the first organizations in the rental trading sector to break into the technology world.  Through the use of technology, BLCK hopes their platform will help streamline the process of bidding on long-term leases, allowing anyone to become a rental host and grow their business.  “BLCK is the first to tap into the rental arbitrage sector via technology,” said founder Samella Watson.  “While