Maze explanation is here.
Startbonus: 400 coins
Collections: 600 coins every 8 hours (7200) = 7600 coins.
The total does not include coins we can get from quests or dragon tv.
For Collecting times check this.
Dragons:
Holibreeze -E- #1205: The path costs 860 coins.
Sorcerer -VR- #316: The path costs 2825 coins + 1 key = 3285 coins.
Protector -E- #851: The path costs 3630 coins + 2 keys = 6005 coins.
Relickeeper -L- #1626: The path costs 6020 coins + 3 keys = 10830 coins.
Timelimited:
Jan 7 - 9: Holy Knight -L- #1202: The path costs 8165 coins.
Jan 8 - 9: Peacock -L- #1484: The path costs 6720 coins.
The colors on the table are the colors of the paths in the game.
Yellow fields hold Brightest Mirrors.