A lot of business travelers have discovered they end up getting homier accommodations cheaper if they book lodging through Airbnb or a similar service. Now business travelers are making that a bigger play, and they are booking their own flights online, too, partly in hope of boosting their personal points, Fast Company reports. The industry calls these people “rogue” business travelers; another word would be “smart.” Many businesses are reviewing how they book travel. Airbnb is beefing up its existing relationship with travel and expense application Concur, and 20,000 new companies will now be able to get to Airbnb listings alongside traditional hotel accommodations.