For convenient speed it is recommended to hitch two animals in a proper age.
The cart doesn't move faster when going downhill, but it doesn't move slower will slow down a little when going uphill eitheryou go up hill, just as if you were [[Mounts|riding]] an animal.
Terrain type does not affect speed.
If you're getting stuck at about Animals cannot drag a cart over tiles that have a 20 slopeof 25 or higher, try moving forward while double-strafingset back a little and go around it.
Stamina drain is very low, the benefit being to be able to transport heavy amounts of weight you could not drag by yourself.