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Workers & Resources: why do buildings cost money?
(hexbear.net)
Tabletop, DnD, board games, and minecraft. Also Animal Crossing.
3rd International Volunteer Brigade (Hexbear gaming discord)
Rules
Once you make your own construction industry, leveling and manipulating terrain is free too!
It does cost a little fuel. It's always super annoying when you start flattening a hill and then all the bulldozers drive away to get gas.
I only wish its range were global, I hate needing to create so many construction sites all around the map.