There are several ways people commonly make money through blogging:

– Advertising – Displaying ads through networks like Google AdSense. Advertising revenue depends on blog traffic and optimization. Popular blogs can earn thousands a month.

– Affiliate marketing – Earning commissions by promoting relevant products/services. Bloggers often become affiliates for complementary services, products, tools etc.

– Sponsored posts – Getting paid by brands to create branded content and specific product reviews. Rates vary based on blog size and influence.

– Digital products – Selling own products like ebooks, courses, templates, merchandising, subscriptions etc. Blogs allow creators to market products to their audience.

– Consulting/Freelancing – Monetizing expertise by offering consulting services relevant to the blog niche. Can range from one-off gigs to long-term packages.

– Donations – Allowing readers to donate or “tip” any amount through platforms like PayPal and Patreon. Works best with highly engaged readers.

– Memberships – Offering exclusive content, access or benefits for a monthly/annual fee. Allows monetizing a niche audience.

– Speaking/Events – Getting paid speaking opportunities, workshops, or hosting events based on a blog’s audience and influence. Lucrative at scale.

– Writing – Blogging can lead to paid writing opportunities like guest posts, sponsored articles, brand projects etc based on niche expertise.

The most successful bloggers diversify income from display advertising as well as leveraging their audience, content and authority in multiple ways. But it takes time and consistency to build up.