With some cities suffering housing shortages, Airbnb is eyeing long-term stays.The vacation rental company is focused on expanding its long-term rental business, meaning stays of 28 days or more, CEO Brian Chesky said at a travel conference, Reuters reported Thursday (Sept. 19).“Stays of 30 to 90 days, monthly stays, the seasonal stays, I think that’s a huge growth opportunity,” said Chesky, per the report.Long-term rental bookings have grown in recent years, accounting for 17% to 18% of the company’s busin ...