Machine Dyeing Clothing
I`ve never dyed anything, but Kasmira of What I Wore 2Day has instructions on using your washing machine to dye clothing.
Pack a Suit
This looks like it would be useful for a business traveller:
Patch Jeans Do you ever have a favourite pair of jeans that is perfectly good except for a hole somewhere? This video shows you how to make a perfect patch.
Wash Leather I haven't tried this yet, but Serene the Elegant Bohemian has instructions on how to wash leather garments and accessories.