Publish trips, blogs, be active on forum in asking and answering qs, upload photos, videos and reviews of your trip. Hit upvote if you like my response.
Start publish your trips and travel details with good quality photos and share your experiences with other travels and you can earn free trips after redeeming credits which you will get from published trips.
There are many ways from which you can earn credits on Tripoto.
1. By publishing your trip with good quality Photos and your experience
2. By publishing photo blog
3. By being active on Tripoto Forum
4. By referring your friends to Tripoto
Hope it helps ! :)