Review sites for online gaming

[sotirakis1992]

Hey, I have started a research on how to play smal or 0 amounts of money using welcome bonuses casino have to offer. I have found several sites like this one bet and slots where they have categorized a lot of bonus. I wonder how they gather all that info? is something like algorythm ? any other suggestion is welcome
thanks in advance

 

[sotirakis1992]

I have idea to run some small startups connected to video games.It will be online spos with gaming stuff. But firstly I decided to follow information about it on https://spdload.com/blog/what-is-a-startup/ and understand some useful things about startups.

Thank for your response