The thought of adding an extra room to your home may seem like an extremely costly and disruptive project, but it doesn't have to be if you invest in a tiny home. They're prefabricated dwellings you can add to your backyard or patio in a day or two.

Prime Big Deal Days — or October Prime Day — is a chance for Prime members to buy products at some of the lowest prices of the year. While many people take advantage of the deals for stuff they need, essential items aren’t the only things you should have your eye on during this two-day savings bonanza.

Our editor-curated Prime Day mega-list showcases the best tech at the lowest prices across 18 key categories. Uncover major savings on PCs, TVs, headphones, robot vacuums, and much, much more.