Garbage disposal installs are the one part of the job plumbers charge extra for, and this kit gives you the fitting needed to route your dishwasher drain line into the disposal without a separate trip to track down the right connector. Buy Now at Home Depot

This dishwasher suits anyone replacing a built-in unit without changing cabinet layout, since the 24-inch tall tub design fits standard openings while still handling full-size loads. It's $135 off the $1,349 list price at Home Depot. Buy Now at Home Depot

As part of the Home Depot Black Friday Sale, you can save up to 47% on a wide selection of dishwashers. Prices of countertop models start at $232, and regular dishwashers at $299. There's also a  Spend More, Save More promotion on appliances, which means you've save up to an extra $500 off as your cart total rises. Delivery fees vary, though most appliance orders over $398 ship for free, and store pickup is also available. The deal ends December 2.  Shop Now at Home Depot