it might be. But so what. It might not be. There are no challenges for simple border bounces. If you have concerns use an agency for border bounces. Guaranteed. In spite of all the useless fear mongering here, every country in the world likes tourism
You can get a multi entry tourist visa METV. Or just do nothing, enter visa exempt for 60 days and extend 30 days at immigration for a total of 90 days. Then exit the country and return for another 90