SEATTLE--(BUSINESS WIRE)--For Seattleites traveling to watch their team compete in this weekend's big game, it's going to cost about three times their monthly mortgage payment—or nearly six times their monthly rent. That's according to a new report from Redfin, the real estate brokerage powered by Rocket. The story is similar for Bostonians, who are also likely to pay about three times their mortgage payment to watch their team on the national stage. The cost would be more than four times their. ...