Maze explanation is here.
Startbonus: 400 coins
Collections: 600 coins every 8 hours (19800) = 20200 coins.
The total does not include coins we can get from quests or dragon tv.
For Collecting times check this.
Dragons:
Hurricane -L- #1405: The path costs 28900 coins.
Elements-R- #237: The path costs 750 coins.
Anubis -VR- #428: The path costs 2585 coins + 1 key = 2965 coins.
Virtue -VR- #743: The path costs 2605 coins + 2 keys= 4955 coins.
Parade-E- #1267: The path costs 3800 coins + 3 keys = 7750 coins.
Colorful -E- #948: The path costs 4035 coins + 4 keys = 8565 coins.
Bull -E- #738: The path costs 6525 coins + 5 keys = 13645 coins.
Overshadow -E- #1057: The path costs 6700 + 6 keys = 15705 coins.
Orange-L- #1490: The path costs 10440 coins + 7 keys = 24970 coins.
Timelimited:
Mar25-27: Yokai -E- #459: The path costs 2590 coins. Here we get puzzle moves.
Mar28-30: Eclipse-R- #225: The path costs 7850. We can get food here.
Mar30-Apr1:Infernal -E- #1292: The path costs 5300 coins. Here are flightstamps.
Apr2-4: Mighty -L- #705: The path costs 9500 coins.
Apr3-4: Primal Wrath -L- #1658: The path costs 9895 coins.
The colors on the table are the colors of the paths in the game.
Yellow fields hold Triad Chests.