You can work with them quite productively, but you need to understand some of the nuances, which is quite difficult to do, because there is no Russian-language version. First of all, since they only work with three countries, the rates there are different. Spain is the most expensive to work with, but there is much less demand for microcredit than in Poland and the Czech Republic. Withdrawal, you can easily withdraw money to Webmoney or Payer. Price per lead does not depend on the amount of the request and is charged at a clearly stated rate platform. On the one hand, this is good, but on the other hand, many similar resources prefer to pay webmaster the percentage of the request.