Goodlettsville Automotive

In 1986, Scott Wells' friend introduced him to the world of automotive window tinting, and Scott became hooked on the benefits. As the decades went by, Scott found more applications for window tinting, including residential buildings and giants in need of sunglasses. His efforts paid off in 2003, when Scott realized the dream of opening his own business and created ProTint (formerly ARC Window Tinting).

The most popular reason for window tinting, Scott says, is to block out the heat. On the surface, this may seem a simple response, but a decrease in heat renders many ancillary benefits, including increased energy efficiency and decreased air-conditioning costs. The tints also guard against up to 99 percent of UV rays and can prevent shattering, helping protect homes from strong winds during tornadoes or hurricanes. Scott's products have cosmetic applications as well, and his crew can create frosted designs such as geometric shapes or written insults aimed at the sun.

According to Newton's Fourth Law, the more you drive your car, the more debris it attracts—which in turn repels aerodynamics, the opposite gender, and gravity itself. Smooth your horseless carriage's exterior with today's deal: for $30, you get $60 worth of washes at Car Wash King. Your Groupon is good for a swipe card that is valid at both the Dickerson Road and Swiss Avenue locations. Trade your Groupon for the card at 400 Swiss Ave. between 10 a.m. and noon Monday through Friday and 10 a.m. to 2 p.m. on Saturday and Sunday.

Robots are good for many things, including freaking out dogs and launching war on mankind, but they often lack the gentleness of a human touch. Rather than having bitter robots washing your car at a gas station, this deal gets your ride the luxurious hand washing it deserves at Renew Mobile Detailing. For $55, your grocery-hauling car or small truck will get a thorough interior and exterior detailing (up to a $120 value, depending on size), leaving it with the spotless sheen of a newborn auto emerging from its factory's marsupial pouch. Large vehicles can get their own detailing for $70 ( buy here ), while overly soiled vehicles will be subject to additional fees.

Though known for their extensive inventory of Mazdas, the professional technicians and friendly staff at Alexander Mazda of Cool Springs will keep both Mazdas and non-Mazdas running safely and reliably with an oil change (including oil, lube, and filter, $39.95), a car wash ($12.95), a tire rotation ($19.95), and a full circle inspection ($19.95), which carefully checks or measures the following mysterious auto components:

Row after row of preowned SUVs, minivans, sedans, and sports cars lie in wait at Southeast Automotive, each inspected by an ASE-certified technician and ready to hit the road under the command of a new owner. The full-service dealership, which has been selling cars for more than 25 years, not only vends vehicles but also invites rides of all makes and models into its service shop. Here, the certified technicians silence squeaky cars with fresh oil and multipoint inspections, and replace broken systems with NAPA auto parts to ensure each car has a long, healthy life on its way to retirement as a child's bed.