The phrase "Try at Home" means to perform a task or experiment in your own environment, rather than in a laboratory or controlled setting. Full definition
This is a book for professionals; don't try this at home without consulting one as there are so many factors that affect how a wall is going to react. (treehugger.com)
You're trying it at home with your partner, your family, your friends, or at work. (nakedpastor.com)
For the sanity of all decorating teams out there (couples, you especially), I'm going to recommend you lose that last piece of information if trying this at home. (thechromologist.com)