I did an interview one time with some hilariously dubious insurance company just to get some interview experience. Their pitch was that you are given leads of people who want the insurance, you go to their house and show them a couple spreadsheets and they will immediately be swayed to buy the crap you sell, and with hard work, you will make $200,000 a year. In reality, you go to the house of poor steelworkers who were convinced to give out their information under false pretenses and who don't want your shitty product, and on top of that, you are paying for gas, your company cell phone, overnight stays, and all sorts of "mandatory" accreditation classes. Once you do that, you are then to give like 70% of what you have left to your boss for providing you with the "leads."
I didn't learn all this until after the interview, but I walked out of the video presentation after I was no longer able to count the violations of basic economic principles their business model violated on my fingers. But anyway, the moral is that the old adage is very true: If it sounds too good to be true...