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:*

North Wind -L- #1371: The path costs 28900 coins.

Dainty -R- #539: The path costs 750 coins.

Caroling -VR- #1453: The path costs 2585 coins + 1 key = 2965 coins.

Froyo -VR- #579: The path costs 2605 coins + 2 keys= 4955 coins.

Holi -E- #551: The path costs 3800 coins + 3 keys = 7750 coins.

Melted -E- #767: The path costs 4035 coins + 4 keys = 8565 coins.

Mystic Blizzard -E- #344: The path costs 6525 coins + 5 keys = 13645 coins.

Festive Light -E- #1451: The path costs 6700 + 6 keys = 15705 coins.

Massif -L- #610: The path costs 10440 coins + 7 keys = 24970 coins.

Timelimited:

24.-28.: Dude Perfect -L- #1459: The path costs 9500 coins.

25.-27.: Scrooge -R- #214: The path costs 7850. We can get food here.

27.-29.: Chubby -E- #686: The path costs 2590 coins. Here are puzzle moves.

29.-31.: Plume -E- #906: The path costs 5300 coins. Here we can get flight stamps.

01.-04.: Sleigh -L- #1452: The path costs 9895 coins.