If you’re new here, I’m sharing how we renovated a beach house and then rented it on Airbnb. Some of the rooms in this house needed only a facelift — new paint and new furniture — but we decided to completely renovate one of the bathrooms. This process took SO long . . . it’s hard to believe how much work went into it and how many delays we experienced. Here’s what the bathroom looked like when we bought the house. The vanity and toilet were fine, and we could’ve just painted the…