Getting laundry out of the way at home without hauling baskets to a shared room makes the whole week feel lighter. You get your weekends back once the old units are out and the new stackable set is humming in place. Labor Day and Memorial Day holiday clearances are the sweet spots to shop, when stores slash prices to clear out floor space.
Before you hand over any money, get quotes from at least two different appliance installers for delivery, hookup, and haul-away. One store's free delivery might hide a steep installation fee, so compare the total bottom line in writing before you commit.
That 0% intro period is a hard deadline, not free money, so make sure the balance is fully paid off before the 15 months run out or you will get hit with back interest on the original amount.