how to earn extra money part time jobs for seniors

If you want to sell physical items with low startup costs, consider dropshipping.

See: Best Gig Economy Jobs To Make Extra Money or Replace Your Full-Time Job
SEO is the applied strategy of making your blog “findable” by search engines and potential readers looking for content like yours.
The Buffet Rule proposal
Working online does not impose the same time restrictions as working in an office or brick-and-mortar store. You don’t have to adhere to strict dress codes or company policies. Often, you don’t even have to interact face-to-face with clients, customers or co-workers. This can be especially nice for independent spirits or introverts.

Wedding Photographers Can Make Good Money

A YouTuber with 1 million subscribers shares how much he earns per month from his videos