Here is a practicle item to consider and many people ( myself included) overlook it. You need to look for a HDTV that has the correct number of connections. These days, the connection you need is HDMI. You need about 3 of these on the HDTV to be safe. The reason is that all true HD sources...
I don't think you need more education. If you like number , you could always try Actuarial Science. They make good money, but it is very hard to get licensed. Its a good start for Insurance related work, banking and even finance since all measure and calculate risk...
I prefer having the pets at home and having a feeder come by. Although I have watched the pets at the pet hotels. Seem pretty happy in there also. They play with the other dogs.
I would say, handy people were always encouraged to tinker and make mistakes. Most of the non-tinkerers I know expect things to work the first time. Most handy folks have gotten used to failing and just not afraid to tackle problems.