Coins Lottery is an lottery based competition, which every week gives a chance to a lucky winner, to win cash prizes. To be able to participate and buy tickets, users need to earn coins by completing CPALead Surveys which will bring you money and also, you can earn money by adding advers (there are plenty of ways to get a nice income with this sytem). Of course, you will have to pay cash prizes, but let say the prize is $5 and your users are completing 100 surveys. You get around $100, which means you earn over $90 in one week, all on auto-pilot, and this is just an example, thinks what happens if you have more surveys completed.