Lower, an Ohio-based home finance platform, announced today it has raised $100 million in a Series A funding round led by Accel. This round is notable for a number of reasons. First off, it’s a large Series A even by today’s standards. The financing also marks the previously bootstrapped Lower’s first external round of funding in its seven-year history. Lower is also something that is kind of rare these days in the startup world: profitable. Silicon Valley-based Accel has a history of backing profitable, bootstrapped companies, having also led large…