yes it valuable to start a blog in 2020 but you have to take care of these steps -

Is writing personal blogs and running ads worth in 2020? Importance of blogging in 2020


1 - get quality of article, post, graphics, images, videos, data.

2 - focus on one niche or topic and provide value in deep or deep knowledge

3 - use HOW TO article and provides solutions to problems

4 - collab with fellow bloggers

5 - run paid ads, it help you grow

6 - use mail to send articles to your users

7 - use of social media to spread article and increase brand reach.

8 - make a YouTube channel to get free traffic

9 - make engagement with audience.

10 - participate on QnA forums for solving queries of suer and promote your brand also.