You can start your blog on blogspot learn from youtube how to make and customize blog on blogspot,
After it watch my magazine tutorial for finding niche,
After selecting profitable niche.
Learn Keywoerd reaearch from youtube or google.
after it find best contents from question answer sites your niche related and edit them via ms word and grammarly,
Keep hardworking once your blog start getting good readers and visitors, apply for adsense hosted from blogger and boom.