Some of these jobs allow you to earn money from the comfort of your home. Others are best for working outside the home, and only require that you have access to resources like a smartphone or a reliable car.
If you love to write and have specific topic knowledge, you could earn money by starting a blog. While there are some overhead and time without making any money when you start a blog, you can build a significant passive income on as little as a few hours per week.
If you want to start earning money today, you might want to consider driving for a rideshare company like Lyft or Uber. All you need to get started is a clean record, a car that's in good shape, and a smartphone.
If driving people around isn't for you, you can consider delivering food for them instead. Companies like DoorDash and Instacart will allow people to sign up on their apps to deliver food to people in your area.
Retail arbitrage is when individuals buy items in retail stores for a lower price than they can sell them online. Then, they sell the items online for a profit. The most popular websites to sell items are Amazon or eBay.