Etsy, DaWanda, eBay or other Handmade Online Seller? Some Mainstream Advertising tips for our Niche!

HOW AND WHERE TO ADVERTISE YOUR HANDMADE GOODS WEBSITE TO THE MAINSTREAM MARKET: AN OVERVIEW
Recently, a member of my network, Free Craft Marketing Network, brought up a valid question that deserves a complicated answer.
So, as Etsy sellers (or sellers of ANY handmade goods on a website), we need to figure out HOW and [...]