Prefabricated / Discussions

I have lakefront property and I was thinking of a prefab home.  Modern.  What should I be asking and what are the pitfalls?  I love this one: L’Abri 1850-BV But customer service is not responsive and that worries me..... Sorry that you didn’t hear back from the manufacturer, I know they have been swamped with requests....

I have recently purchased a property in the Algonquin Highlands about 20 minutes north of Minden, Ontario.  There is an existing strucuture, but I am looking to put in a new Passive House on the property and then work on converting the main structure (with a cement block foundation and piers) into a garage with a 550 s...