Soldering Tutorials:
Electronhacks - GREAT tutorial
GreatScott! - longer, but also good
IC desoldering tutorials:
Robert Feranec - Interesting technique
Adrian's Digital Basement - Demo USING A C64
Recapping Kits on eBay:
Without regulators - cmherndon79
With regulators - dekurzian
Recapping kits from C64show.com
Recapping a XXX425 motherboard
Video on C64show's Youtube channel
New Old Stock C64 chips
Compreservation Store @ eCrater
New EPROM copies of C64 chips
bhusek1