Adding a solid wood butcher block kitchen island changes how your whole kitchen works. You finally get real prep space, extra storage, and a natural surface that takes a beating and just looks better for it. Fall and winter furniture clear-outs are the best times to catch these on markdown, so you can skip paying full retail.
Before you pull the trigger, measure your floor space twice and make sure you have at least three feet of clearance on every side. If you are getting a custom piece built or assembled by someone else, get more than one quote so you do not overpay for labor.
Remember that the intro window is a hard deadline, not free money, and any balance left on the card when those 15 months end will get hit with standard interest.