They want you to slip into a robe, pad across plush carpet, and help yourself to the tea tray without a second thought. But the line between what’s complimentary and what’s supposed to stay in the hotel has become increasingly blurred. And while the stereotype is of luxury guests slipping soaps into suitcases, the reality is far stranger, more expensive and common than most travelers realize. Getty ImagesThe things hotels expect you to take home“Anyone who says they don’t take something is lying,” says travel advisor Pippa O’Keefe. Slippers sit in a grayer area, but most hotels assume they’ll leave with the guest, especially in higher-end properties where laundering them wouldn’t make sense anyway.