How many email newsletters are you bombarded with every single day? There’s a reason for that. Marketing to an actively interested group of email subscribers is one of the best ways to make money online. There have even been million-dollar businesses built from simple email newsletters like TheSkimm, or Mister Spoils. Each newsletter targets a specific type of user with interesting, daily content, while also partnering with relevant companies and affiliates to bring in extra money. If this seems daunting, it’s not. Tools like MailChimp, ConvertKit and AWeber make it easier than ever to get started with email marketing. And another great option to consider (with the largest free plan available) is SendPulse, with their ability to send up to 15,000 emails per month to 2,500 subscribers, and then affordable plans starting at under $10/month as you grow from there.
Swap.com. Like ThredUp, it's an online consignment store. You send in used clothes (women, kids, men's) and kids toys and games, and Swap will sell them for you. Hopefully. They may reject them, in which case you'll either have to pay a fee to get your things back or donate them. But assuming you're sending in clothes and toys that people will want to buy, your odds of selling them should be good. The website says that "sellers, on average, earn about $150 per box they sell on Swap.com when sending in-season, high-quality items." Especially note the words, "high-quality."
These mega-sites make it easy to set up shop so customers can browse your products, and there's no need to build your own website. Also, you’ll find a built-in search feature so that interested buyers can easily find your online storefront. Plus, you get to use the site's shopping cart. In short, you avoid a lot of the expense and hassle of setting up an independent e-commerce website.