>I have Shimano Curados that need to be cleaned and oiled.
>Should I try this myself?

do it yourself, its well worth it.
knowledge is power:

http://www.tackletour.com/articlereelmaintenanceshimanocurado.html

use this pictorial as a guide to help you disassemble and re-assemble the reel.

might seem complicated at first, but after you've done 1 or 2 reels you'll see how easy it really is...