One of the most important spaces in any short-term rental is the bedroom. Guests may enjoy the kitchen or lounge in the living room, but at the end of the day, what they’ll remember most is how well they slept. Since my husband and I don’t live in the same city (or state!) as our Airbnb, we visit every few months to refresh and upgrade the space. Bedrooms are always a top priority during these visits—we go through the linens, toss anything stained or worn, and update bedding when needed. On our most recent trip, we focused on upgrading both the master and guest bedrooms. The difference? Night and day.…