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.
For a fairly std single point install will depend on several things. Antenna can range in price from like $50-$150.Mount can be like $20-$60Actual running cable, wall plate etc should be like $180-$250. These are fairly rough figures but in the ball park. Edit: add around $100 if you need a booster.