Originally Posted by SubZero

I downloaded alexa.com's free Top 1,000,000 Sites.

Then did a keyword search for a product or service. For example casino.

I found:

casinocity.com
at google.com, site:casinocity.com
16,400 indexed pages

casinomeister.com
5,780 indexed pages

56casino.com
1,750 indexed pages

exclusivecasinoclub.com
589 indexed pages

Research the industry you are interested in and make some mainstream cash.