Thank you for sharing this post again from 2017. When I saw the article, Oh, it’s been written in 2017 but when I read along, it is still applicable up to now. I noticed that you are not eliminating the dates on your post. Some bloggers recommend to use a plugin to delete the dates so Google don’t have to read the post as outdated anymore. I saw that you are not doing that — or you are updating your old articles one by one before sharing it again?
I’d say an interesting thought to add would be an idea suggested by Mark Cuban a while back on his blog. It was basically the idea that you’re not necessarily saving money so that you can invest slowly and retire comfortably, but that you were saving every possible penny, at every moment, so that when an actual fantastic opportunity came around you’d have money to invest.
Become a proofreader. All kinds of businesses hire professional proofreaders to look over their copy and content for errors before they publish. This side hustle is one that could work for nearly anyone since you can work from home provided you have a computer and an internet connection. You can find online proofreading jobs through websites like Indeed.com and FlexJobs.com

One man’s trash is another man’s treasure. This is ever present in the sneaker world. I am an avid sneaker collector and a huge part of the culture is buying and selling your sneakers to keep updating your stock with your current favorites. I use a website called Kixify to buy and sell some of my sneakers and it is just like Ebay or Craigslist. Whenever I need money for whatever reason, I always look to see if I have a pair of shoes I am no longer in love with and willing to sell.
Hunt for under-priced used books that you can sell online. Download an app that reads ISBN numbers so you can scan the barcodes on books. This will pull up the book’s current price on Amazon so you can see if it’s worth trying to resell it. Then, visit used book stores, thrift stores, and garage sales to look for high value books. Post the books for sale online using sites like Amazon or Ebay.[9]
People are always looking to have their cars washed and detailed. You could be a mobile car washer and detailer without having a permanent location. Reach out to people you know or make some flyers and put it in your neighbors' mailboxes. If you want to get serious about it, prop up a one-page website or give out business cards. You can make money quickly doing this. 
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