American homeowners spent more than a half-trillion dollars on home improvement projects in recent years, but they say inflation and a potential recession will be factors in how much they take on moving forward. From 2019 to 2021, American homeowners undertook some 135 million home improvement projects, spending an estimated $624 billion, according to the most recent American Housing Survey from the U.S. Census Bureau. That’s an increase of about $100 billion in home improvement spending over the previous survey period (2017-2019). This two-year period began before any of us knew the COVID-19 pandemic was coming, and it stretched through lockdowns and ambitious stuck-at-home DIY projects and into a housing…