It will ruin your social life, you wont appear on here again until its done, your friends will think you have emigrated, your family will alert interpol of a missing person, you will loose any hair you have, you will age ten years.
A few years ago, I made the attempt using surplus stocks of plastic and brass. After a couple of months gave up due to time limitations and other engineering interests.
I think my plans came from a company called Dryads of Leicester. Another company (forgot their name) use to send me a yearly catalogue, which contain similar self build models and designs. Some of the designs had originated from old models that are museum pieces. The kit parts came from China.