The "rules" state that it has to be self-powered. So walking is fine, and sometimes the only option.
My own rule or condition is that grabbing a tile must be in done in a proper activity. So not taking my car or a train to get to a spot and walk 2 km or cycle 15 km and snatch up a few tiles and head back home.
The "rules" state that it has to be self-powered. So walking is fine, and sometimes the only option.
My own rule or condition is that grabbing a tile must be in done in a proper activity. So not taking my car or a train to get to a spot and walk 2 km or cycle 15 km and snatch up a few tiles and head back home.