I forgot to mention all the waterlines are PEX pipeing

Hello All- I'm trying to decide if I should purchase a friend of mines manufactured home. But here's the deal its a 28 x 50 3 bedroom 2 bath doublewide Shult thats about 2 or 3 years old. He's never lived in it yet due to some family issues, its out on the country on some land (with its own small la...