I took in a homeless man with a leg brace for one night because my son couldn’t stop staring at him in the cold. I left for work the next morning expecting him to be gone by evening. When I came back exhausted, my apartment didn’t look the same—clean counters, trash out, the door fixed, food simmering on the stove. The surprise wasn’t magic. It was proof he’d been useful long before he was homeless.

Mr. Kline snorted. “We don’t have issues.”

Derek didn’t react. “The back stair light is out. The hallway handrail is loose on the third floor. The laundry dryer vent is clogged—fire hazard. And apartment 2B’s door frame was misaligned for months.”

Mr. Kline’s face tightened. “Who told you that?”

Derek leaned in slightly—not threatening, just certain. “The building told me. It’s obvious.”

Mr. Kline glanced at me, annoyed. “You bringing strangers now?”

Derek’s voice stayed level. “I can fix those issues in one day with minimal materials. If I do, you give her thirty extra days to catch up. Put it in writing.”

Mr. Kline laughed. “And why would I do that?”

Derek nodded toward the laundry room ceiling where a stain bloomed. “Because if the vent causes a fire and someone reports you ignored it, your insurance gets interested. Because tenants have photos. Because code enforcement exists.”

My stomach dropped. Derek wasn’t bluffing—he was informed.

Mr. Kline’s jaw worked. He looked at Derek’s brace, then at the toolbox, calculating the cheapest path.

“Fine,” he said finally. “Thirty days. But if you break something, I’m charging her.”

Derek slid a paper across the desk—handwritten terms, simple. I stared. He’d drafted it last night.

Mr. Kline grumbled but signed.

When we walked out, my knees felt weak. “How did you know what to say?”

Derek’s eyes were tired. “I used to be the guy landlords hired to patch problems before inspectors came.”

By evening, the back stair light worked. The rail was tight. The dryer vent was cleaned. He even replaced a loose outlet cover in my kitchen without being asked.

Then, after Caleb went to bed, Derek sat at my table and placed a folded document in front of me.