The link above will tell you what the conditions are. Just like you got to be a certain age to drive a car, you got be a certain age to have a regular, full time job during normal school hours, for example.
1 Most installation jobs will be within the $200 to $350 range. 2  For those who want to do the job on their own, a wall mounting kit will cost anywhere from $20 to $75. 3  For instance, this highly-rated Cheetah Mount retails for $25. Running audio wires can add to the cost. 2  Additional accessories, such as an HDMI cable, can cost $25 to $90. 3  If you also want to mount your DVD player and other systems, you will need a shelving bracket to be installed next to or beneath your TV.
Under-cabinet Mount. An under-cabinet mount is designed to allow one to mount a lightweight TV under a cabinet. They are made up of a pole, a bracket, and an articulating hinge, allowing one to adjust the position of the TV.