A whole-home smart sprinkler controller and soil sensor setup keeps your lawn green without wasting water or running afoul of early summer restrictions. You want a unit with metal-reinforced valve terminals and a weather-sealed enclosure so you only have to buy it once instead of replacing a fried board in three years.
Hardware brands usually drop new models in early spring, which means right now is the best time to look for last year's version on clearance. Older models run the exact same software updates as the new ones, but they cost a lot less.
That 0% intro window is a hard deadline, not free money. If you still have a balance left when the 18 months are up, deferred interest or standard rates will kick in on what you owe.