Keep pens away from suede pants and couches...In the event you forget, windex takes the stain right out.
windex works for everything!! i love that stuff!!!
http://www.heloise.com/hints.html - a lot of good hints there "Spot Shot" (a spray found at the grocery store) is very good at taking red wine stains out of carpet and clothing.
I've also heard, pouring white on top of the red immediately helps too. Anyway, it's a good excuse to open a bottle of white!
Spot shot does really well with blood stains on the carpet. My dog ripped off a nail of his and walked all over the carpet and the stuff took the stains out