I tend to like pre-constructed, furnished, ready-to-play maps. Not going to say "Single Maps" quite, per se, because I do like to use & abuse "Single Maps" treating them like tiles (putting 2, 4, 6, 8, or maximum 12, different maps all onto 1 Page and connect them with lines/teleports/roads or adjacency. I don't want to construct 1 room or 1 level out of tiles, myself, very often, but I will make a 3-level dungeon out of 3 single-maps put together.