Build it yourself - Failure

"Huzzah!" You stand back and marvel at the glorious mansion you singlehandedly wrought from raw parts, before realizing that it's actually a rickety stack of sticks which immediately falls down as a strong gust of wind blows on it. Even Oron shakes his head at your sad attempt at do-it-yourself homemaking. Luckily, most of the materials are still usable and the biggest pain is your wounded pride.

-32 Coin

-8 Health

If Health is still > 50% and you still have 237 Coin, you may try again with lessons learned to guarantee success

or

You may hire professionals for 300 Coin