A large subset of our society is earning a full-time income by selling items on Craigslist and Ebay. You can do this by selling your own items, or you can help sell items for other people and take a small commission. Selling on Ebay offers more friction than Craigslist and you'll need to establish solid reviews before you can begin to move high-ticket items.
For non-tech people (myself included), web design can cause a lot of stress. And stress means opportunity. If you have a knack for web design or web development, you should definitely be capitalizing on it. And since it’s such a foreign concept for many, it can be a really lucrative side hustle. You can find all sorts of gigs on Upwork. Also, you need to read this article: How to Make $5,000+ a Month Building Websites Part-Time
Using a food delivery service can’t necessarily earn you money, but it can help you save you money if you constantly find yourself throwing out half the food you buy. Food delivery services send a box of food every week with new, sometimes unique vegetables, meat, fruit, and so on. If you don’t have time to shop and want simple meal-prep that leads to a good meal, a food subscription service may be perfect for you.