What you call "crap" has significantly contributed to my earnings, there are some great minds in here, and most importantly collective experiences that cannot be found elsewhere, not to mention the willingness to help total strangers, where else can you find all that?
To rephrase percentages's statement:
Take all you hear with a grain of salt,
but keep an ear open at all times,
for there are gems floating around.
On Referrals: They make 30% of my earnings, 2 reasons:
- Knowing which pages to place them on
- Tons of traffic