Always remember to personally connect with neighbors, friends, and family and let them know about your services. You can also check out third-party platforms like Care.com, SitterCity, and Task Rabbit where they connect caretakers with caregivers. If you are connected with a job on one of these platforms they'll take a small percentage of the total transaction fee. In fact, the on-demand economy has made it easier than ever to make money on demand — to find out more check out this post.
My 10-year-old son brought home a book from our park’s free library box. It was a biology textbook – teachers edition. He said it looked interesting and hey, it was free (having no idea you could sell it). I scanned it in my Amazon seller app and realized it was worth around $150. He was so excited. We listed it for sale for $130 and it sold! Going to tell him, he just made $130!
Turo pays you via direct deposit within five days. According to their site, you’ll earn “65% to 85% of the trip price, depending on the vehicle protection package you choose. If you have commercial rental insurance to cover you, your car, and your customers and would like to waive vehicle protection provided via Turo, you earn 90% of the trip price.”

High-ticket consulting or coaching: You could sell your own high-ticket consulting or coaching products from your website. You'll still need a website, merchant account, sales funnel, lead magnet and many other items. But you can easily earn a substantial amount of money from each individual customer, making it well worth the arduous setup required. 

You'll also need ecommerce software, fulfillment software, worry about warehousing, customer service and refunds. But that's not all. You'll also need traffic. Think search engine optimization, Facebook ads, and other social media campaigns. It is hard work, especially on your own. You could opt for Amazon's platform, which might be the easier route. But, then again, at the end of the day, this is a serious business, which could produce significant profits. So you're either all in or you're not. 
Consider selling in lots. A lot is a collection of similar items that is sold in a group. For example, if you have a collection of books, magazines or similar pieces of jewelry, consider selling them all at once in a lot. You many not make as much money as you would have if you sold each item separately. However, the items will likely sell more quickly in a lot than they would individually.[29]
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