Link building is becoming harder day by day and low quality sites definitely not help you to rank good in search engine sometime they create issues.
.EDU and .GOV considered as high quality links by Google and other search engines, that help you to rank in search engines.
I will create 30+ .EDU and .GOV backlinks in this service in $2 and after creating I will provide .txt file.
Everything will be 100% Manually and 100% Safe to Google Panda and Penguin.