Brenna Dwyer was in a race to buy her first home. When she and her sister decided to purchase a house together in 2020, they didn’t realize how steep the competition would be — or who they were up against. “If we would find a house we liked and needed to think about it, by the time we had just a few days to talk it was already gone,” she said. “We had to make a decision quick or the house would go away.” It took the sisters six months to find their home in Shawnee, Kansas. Then it took…