A good robot vacuum should last you three to five years, so don't settle for a cheap unit that breaks in months. You want a model that handles both vacuuming and mopping to actually save your time.
Tech companies release new versions every year, but the hardware rarely changes much. Wait for November sales to grab last year’s top-rated model for a fraction of the launch price.
The 0% interest offer is a deadline, not a gift. If you still have a balance after the 18-month intro window ends, the bank will start charging interest on whatever is left, which gets expensive quickly.