I have an oil leak and have been told it is a seal. on 2002 Volkswagen Beetle TDI

Had my oil changed no problem then noticed oil spots on my drive way. I have been told it is a seal. Is that a big deal to fix and is it expensive. I love my bug. it has almost 200,000 miles on it and has been the best car ever.

Asked by for the 2002 Volkswagen Beetle TDI
1 answer
Need to know which seal, there are several. Is it a real main seal, a crank shaft seal etc?