Affluence is a new line of kitchen sinks that are made without the customary seams and flanges that you typically see around the drain. The sinks feature an integrated design, which includes stainless steel strainer baskets and drain/disposer undermount hardware, that helps cut installation by 20 or more minutes. Sinks are made from 18-gauge stainless steel. Cost: $379 to $495. Seamless Sink.