In late March of last year, 60% of respondents to one homeowner survey had begun no less than one DIY upkeep or improvement project in the previous two to 3 weeks; by early May, the share had jumped to almost 80%. Additionally, through the pandemic, many urban renters purchased homes—a transition that often begins a new cycle of improvement projects—in outlying communities seeking safer living situations, more space, and lower housing costs. Expect to see landscaping that beautifies but protects, especially in areas vulnerable to wildfire or flood, as properly as exterior partitions of brick or stone. Inside the house,…