[zlagen]

I'm interested in this kind of projects I have a lot of experience working with scrapers. How do you earn money from them? via affiliate sales?

[dgranda]

Yes, affiliate marketing is the main source of income.

I am slightly introducing kind of business inteligence in order to sell reporting to merchants willing to know more.

[andysinclair]

I am interested in building something like this for Android phone comparison.

Can you give some indication of stats: visitors, income etc?

[dgranda]

Regarding Android mobile phones, check https://www.kimovil.com

Numbers change much from country to country but average conversion rate is around 2,3%