Someday I'd like to go pro, but until then, I'm another amateur wrench.
You can learn a LOT from the chat room here. If you can catch one of the 944 geniuses that live here live, it's the best way to get info real quick. Plus, you can ask about some of the details and 'tricks' that usually don't get posted on the board.
I learned real quick that to keep a 944 running you either need to have a suitcase full of money and a good mechanic, or you learn as you go and become a mechanic.
I've made a few mistakes... i learn from them and move on. Usually I post and tell everyone what I did wrong, hopefully that helps other newbies. I've fixed more than i've broken, so that's good
Before taking on any project... read at least 15 threads about whatever you're doing, memorize the clarks-garage page, read the haynes, read the factory manual, twice.