How come when I buy a tool it costs Tcash yet when I sell a tool all I get is coins?
How come when I buy a tool it costs Tcash yet when I sell a tool all I get is coins?
That's how they get you to potentially spend real money (by buying T-cash).
because buying building material is equivalent to buying a speed-up in that you're paying to not wait. So you're not buying the supply with tcash. you're buying time.