A good mechanice is hard to find.
I have one too. But he's so damn busy. He doesnt even respond to my calls till like days later. By that time, I used another mechanic or I fixed it myself.
In all honesty, Im an office guy, but I still get down and dirty with cars and house maintencance. All men need to do some repairs.
Oil change is basically loosen a plug. Let oil drain out. Change oil filter. (They even have oil filter wrenches to make it easier)
It's not even really expensive to get starter tools. I wanted a new basic toolbox and drill. Last month (walmart/amazon mini black friday special), I bought a black and decker drill set. Has a bunch of sockets for car/home use. It has everything. $54 including shipping. Drill/bits/wrench/ruler/tape/level/sockets
A jack is $40 bucks too.
Like another poster mentioned too. Youtube helps big time.
That's because if you go to Jiffy Lube to get the $20 special, they are putting the cheapest possible oil they have.
If you do it yourself, you'll spend that much, BUT AT LEAST YOU WILL PUT IN THE GOOD STUFF.
Honestly I rarely have car problems. I think it has to be because I do regular maintenance and I use better than normal parts/oil/ etc.