I think a big part of a 60 year old VW air cooled Speedster Madness hobby is self-maintaining them. Unlike a real Porsche it uses simple, inexpensive parts - the labor can be a killer as is finding a competent shop. There are several good DIY books and it doesn't take many tools -- if you have time and desire.
Old VW joke is "if it isn't leaking oil and marking its trail, it must be out of oil".
Ouality of parts is a big issue - and is driving many to more modern engines like the Subaru water cooled engines which are water cooled, computer managed, EFI and low maintenance/high longevity.