I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
There are some things so serious you have to laugh at them.
"A book is a bridge between souls, connecting the reader and the writer across time and space."
When making something, always get a few extras — extra material, extra parts, extra space, extra finishes. The extras serve as backups for mistakes, reduce stress, and fill your inventory for the future. They are the cheapest insurance.