Upgrading your sink and faucet makes the busiest spot in your home feel brand new. You will notice the difference every time you wash a dish, and a modern undermount setup creates a seamless look that is much easier to keep clean.
The best time to buy is during holiday kitchen and bath sales, when retailers drop prices to clear out inventory. Get at least three quotes from plumbers for the install before you buy the hardware, as labor costs often surprise people more than the sink itself.
Remember that the 0% intro APR is a deadline, not free money. If you have a remaining balance after the 15-month window ends, the card company will start charging interest on whatever is left over.