He had been checked into the suite for three days. At various times he could go to the garage and get a golf bag or large suitcase and come up the elevator to his room. He could separate the moves by hours to not arouse a second look.
I have a hard case golf bag for airline travel. It would easily hold four such weapons and it has wheels at one end and a handle at the other — easy peasy. I have a similar case for my wife.
“”with two platforms set up to shoot from.””
He apparently watched “Shooter” one too many times - taken from the book by Stephen Hunter - Point of Impact. At least, I think it was that movie where the assassin stacked up furniture in front of a window in a hotel room to rest his weapon on...