There are some ways to earn kipta without investment but it takes a lot of time and effort.
Various crypto projects distribute free tokens to promote their new tokens.
Typically, Airdrops are earned through signup, social media sharing, or completing certain tasks.  You can earn free kips by airdropping, but it's hard to tell which airdrops you'll be successful with.
You can earn crypto by writing and making unique contest creations.
Medium Steemit, and Hive are blockchain based platforms where it is possible to earn crypto income by publishing articles.
Some websites offer crypto through their own little works.  For example: writing reviews, app testing, surveys.

Be careful

Avoid scams and fraud.

Do not share private wallet key with anyone.

Only work with trusted websites and projects.