Once the initial bandage is removed, dressings should be changed as often as needed to keep wound drainage from soaking the gauze. This is usually one to four times a day. If you find that the bandage is wet with drainage when you change it, then change it more often. Soiled dressings should be changed.
The RV Consumer Group provides an overview of Class B camper vans. Typical costs: Prices start at $40,000-$80,000 for a new Class B motorhome/van conversion, depending on size (15'-26' long), type of roof extension and other amenities. They come with a gas or diesel engine; diesel is typically more expensive.
A decent used popup camper can be found for as little as $500 although it's not likely to have amenities like an air conditioner or hydraulic lift system. New popup campers start at around $5,000 up to about $20,000 for a large fully decked out model.