Nothing's really hard to change on this car, but the cost of parts and labor if others are doing the changing out can be expensive.
Find yourself a very good independent mechanic from someone in your local PCA. And if you are not a member, become one ASAP. It's worth the $35 a year to join with the magazine, local events with free food and beer, etc. You'll also make friends who know where to get parts, who to take the car to when it's dying on you without explanation, etc.
My links below may also be helpful to you. Enjoy the car, and welcome to the Porsche family and this forum. I hope you find both to be a wonderful experience!
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