I bought this for pretty cheap at an auction and I don’t even know if there are instructions inside. I’m a pretty handy guy with time and tools and some knowledge. I’ve worked on roofs before and know the basics of many other trades.
You can do it yourself and regret for the rest of your life that you didn't have at least one helping hand.
You'll regret it whilst doing it too, and you'll have dozens of new words to call yourself!