Etsy: While Etsy's popularity has declined recently, it's still a great resource for selling handmade items online. No need for complex ecommerce sites or merchant accounts or any sort of automation. The company takes a commission of every sale and charges a small listing fee per item. But many still use Etsy as their primary source of income. The best part is that you can also sell digital products on here such as poster designs.
I think what you’re asking is how you can make extra money to pay your real estate taxes. If that’s the case, it depends on your current financial situation, the amount of your estate taxes, your skills, and more. If you visit the “Make Money” section of our website, we have a few articles with different ideas that may be helpful for your situation: https://www.dollarsprout.com/category/make-money/