Answer 1

Sololearn just provide 3 or 7 days free premium membership after that you have to pay for 1 year. If you are capable to complete in these free days then well.

I don't think your courses or solved problem will expire because so many people did same things and still their solved problem and courses are there in profile. For example this person took membership for few days but still solved problem and courses are there in her profile even she is not pro now.

https://www.sololearn.com/Profile/4157142/?ref=app

Answer 2

𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥 Check again. I am updating my answer.

Answer 3

𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥 I updated my reply. Check again. Now I think you got your solution.

Answer 4

𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥 Did you get your solution? You can confirm from that person also.