Using Ecommerce Theme or Script.
Buy Any Ecommerce Theme From themeforest.com or you can use anyone , if you have already,
Install your WordPress site.
Add the Theme.
Customize it to look like Ecommerce Something related to Jumia...
Add SITE KIT
Connect Console and Analytics Together.
Push Traffic to it for like 2 Days.
Apply for AdSense .
Boom they will approve you,
Once they approve you just change it back to any NICHE you want.
Note;With 35-39$ you will get ecommence theme On Themeforest,
If you are facing any challenges
Let me know.
Enjoy!