As far as trailers are concerned, I started with just a plain 7x14 tandem axle. No electricity, no water, you get the point. I did have rubber tread plate put down on the floor and the walls and ceiling lined with white metal liners. The whole point of mentioning that was this, I got mine from Diamond Cargo Outlets in S. Ga. I had the trailer built to the 6'9" height. They do it a little different. Most diamond brand trailers come in at 6'0" interior, but Diamond Cargo Outlets come at 6'3". So I added 6" to take me to 6'9". When diamond got the order they just added 6" to there normal which would put the total at 6'6". So I got there to pick it up and it was too short. UGH! After a 4 hour drive I was not happy! BUT, I immediately noticed it, told the manager there. They built me a new one in less than a week, made it 7' interior height(instead of the 6'9") and delivered! They made it right and the quality is great.