I going to share the story of the creepiest, least appropriate guerrilla marketing tactic I’ve ever come across. I’m not going to name the startup founder who did it, nor am I going to tell you identifying details about his company. I just want to make sure that no founder trying to get ahead hears a story like this and thinks, “Oh, that’s a great idea!”

No. It is not a great idea. It’s terrible.

Let’s rewind. The other day I came home to a package on my couch. Now, this isn’t a rare occurrence — I order off of Amazon as much as the next Millennial American — but I didn’t recognize the return address. “Weird,” I thought. “What’s this?”

My boyfriend poured me a glass of wine and I absentmindedly ripped the package open while telling him abou...