New To Subaru

Well, it has been about two years since I bought my Scooby, and now i feel it is time to start upgrading it and maybe show her off. I wanted to do so a long time ago, but, do to me having to move from England to Germany and not finding a lot of people into the tuning scene, along side with some medical expenses, it was hard to get motivated. It also didn't help that everything in Germany seems to be expensive especially when i mention that I own a Subaru.... the mechanics already have dollar signs in their eyes. I am wanting to learn how to fix and upgrade her myself, seeing that I can't afford all the maintenance and parts cost in Germany, and have a hard time finding companies that will ship to an APO address from the US. If anyone out there can help out with even a little info, I would be most grateful.