All of our sites are on average paid off in 6 months!
We warranty not 1 month or even 1 year but 3 years old!
Also still many advantages (see below)!
Optimization of code, layout and content for 5-15 requests
Organization of internal and external links
Writing 10 unique articles each month
Adding 5-daily publications and comments using the hash tags
Advertising on Google Adwords and Yandex Direct