URL Shortener sites offers good enough money by shrinking long URLs. Some of them pay less. But , if you are from a developed country like USA, AUSTRALIA, CANADA or Germany then you can earn $15–20 per 1000 clicks. (Which is good!)
But, if you are from developing country than it varies from site to site.you can earn $5–10 per 1000 clicks. Make money from url shortener was easy. One was able to paste link in facebook groups pages etc but these days shorten links of these paying sites are not allowed to paste in Facebook. They will remove it. But still you can earn money through pasting these links in twitter whatsapp etc.