What they do give you is a very stable surface free of any kind of rocking balanced on 3 points, so any vibration that does couple up doesn't ring around.
Although the ideal environmental home or office structure is often envisioned as an isolated place, this kind of placement is usually detrimental to the environment.
In other words, below-the-line sales promotion is an immediate or delayed incentive to purchase, expressed in cash or in kind, and having only a short term or temporary duration.