OK, if you've got the gear and have climbing and cutting experience, that helps. Still, combining those two skills up high is not easily or quickly learned nor is it something to be taken lightly. With my experience--which I'd estimate at having climbed and taken down from the top about 50-60 trees--I still take a pass on about half the job offers for no other reason than that I think it's too risky for my abilities.
So, be willing to make a fair assessment of your skills, and be determined not to be afraid of stopping in the middle of a project and saying to yourself, "I just don't feel safe doing that."
I like your determination and am the same myself. It's not rocket science, after all, and if all the red-necks I see doing it can master it, then so can I. So, I encourage you to try your hand, but do it gradually. Read up a bit on the techniques. Don't start out with trees near buildings. Pick a tree that can come down alone or would damage only other trees. Climb it. Cut some limbs off. On one that's not too tall, after you've limbed it, cut the top out. That'll give you some indication, even if all things go smoothly, of how unpredictable trees can be. It's a bit like the ocean: doesn't look that bad until you actually get out onto rough seas in a small boat--then it quickly gets your respect.
Another analogy might be health and medical issues. Most of the time when I go to the doctor for some minor procedure, I end up thinking: what a scam, he's collecting so much for something any idiot could master and do. But the truth is that it's not uncommon for those simple procedures to go awry, even with experienced doctors.
Start out small and get some experience, then tackle those trees by your house.
Good luck and keep us informed, H