At The Art of Shaving, search for "00670535980346" to find The Art of Shaving Unscented Starter Kit for $30. Coupon code "SDSHAVEKIT" cuts it to $24. With free shipping, that's the lowest total price we could find by $6, outside the mentions below. It comes with 0.5-oz. pre-shave oil and after-shave balm, 1-oz. shaving cream, and trial-size badger shaving brush.
Close prices: Top Shelf Barber Supplies via eBay charges $24.99 and Ariva charges $25, both with free shipping.