Is it marginally dishonest to use these services with no intention of making a purchase? Yes, yes it is. But you can go back to spending frivolously and giving in to high-pressure sales tactics back when you're making that George W. Bush end of first term / beginning of second term era loot. Salespeople had years of living high of their commission.
Please sound off with any giveaways or cheap consumer thril ls that you've run across (even if it's just the moment of elation of putting on an engagement ring that you will never ever be able to afford).