For extra gold, you can rush your tool upgrade and get it in one day instead of two. For even more gold, you can get it instantly.
By talking to Robin after queuing a construction, you can speed construction up by a day or two.
Price factors are configurable.
Sat, 18 Aug 2018 13:41:26 -0400
Updated for 1.3.28.
The source code for this project can be found here.