A: No, You don’t! Wealthy Affiliate does provide an amazing affiliate program but you aren’t obliged to promote it to make money. Unlike MLMs and other “business opportunities” WA will never force you to annoy your friends and family by trying to push them into your “downline”. WA is mostly about teaching you how to set-up a real online business where you could sell any service or product that you can find in stores or online.
These days everything can be done online from buying movie tickets to buying furniture for home. Internet has brought tremendous changes in our life style. Every business should recognise this and establish their presence on the internet. Internet marketing is beneficial for all the types of businesses. This will allow you to expand your visibility to larger population.
If you’re in the “how to make money online” market, you’ll make more in affiliate programs than Google Adsense or most other advertising programs, simply because of the points Yaro mentioned. Affiliate income is also one of my biggest sources of income. I wrote this short article of affiliate blogging tactics: http://www.easywordpress.com/labs/affiliate-product-blogging-model-explained/